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 log [lɒg]   添加此单词到默认生词本
n. 记录, 圆木, 日志, 计程仪

vt. 伐木, 切, 航行

vi. 伐木

[计] 日志

[经] 工作记录簿, 航海日志

    logged, logging
    [ noun ]
    1. a segment of the trunk of a tree when stripped of branches

    2. <noun.substance>
    3. the exponent required to produce a given number

    4. <noun.communication>
    5. a written record of messages sent or received

    6. <noun.communication>
      they kept a log of all transmission by the radio station
      an email log
    7. a written record of events on a voyage (of a ship or plane)

    8. <noun.communication>
    9. measuring instrument that consists of a float that trails from a ship by a knotted line in order to measure the ship's speed through the water

    10. <noun.artifact>
    [ verb ]
    1. enter into a log, as on ships and planes

    2. <verb.communication>
    3. cut lumber, as in woods and forests

    4. <verb.contact> lumber

    Log \Log\, n. [Heb. l[=o]g.]
    A Hebrew measure of liquids, containing 2.37 gills. --W. H.

    Log \Log\, n. [Icel. l[=a]g a felled tree, log; akin to E. lie.
    See {Lie} to lie prostrate.]
    1. A bulky piece of wood which has not been shaped by hewing
    or sawing.

    2. [Prob. the same word as in sense 1; cf. LG. log, lock,
    Dan. log, Sw. logg.] (Naut.) An apparatus for measuring
    the rate of a ship's motion through the water.

    Note: The common log consists of the log-chip, or logship,
    often exclusively called the log, and the log line, the
    former being commonly a thin wooden quadrant of five or
    six inches radius, loaded with lead on the arc to make
    it float with the point up. It is attached to the log
    line by cords from each corner. This line is divided
    into equal spaces, called knots, each bearing the same
    proportion to a mile that half a minute does to an
    hour. The line is wound on a reel which is so held as
    to let it run off freely. When the log is thrown, the
    log-chip is kept by the water from being drawn forward,
    and the speed of the ship is shown by the number of
    knots run out in half a minute. There are improved
    logs, consisting of a piece of mechanism which, being
    towed astern, shows the distance actually gone through
    by the ship, by means of the revolutions of a fly,
    which are registered on a dial plate.

    3. Hence: The record of the rate of speed of a ship or
    airplane, and of the course of its progress for the
    duration of a voyage; also, the full nautical record of a
    ship's cruise or voyage; a log slate; a log book.
    [1913 Webster +PJC]

    4. Hence, generally: A record and tabulated statement of the
    person(s) operating, operations performed, resources
    consumed, and the work done by any machine, device, or
    [1913 Webster +PJC]

    5. (Mining) A weight or block near the free end of a hoisting
    rope to prevent it from being drawn through the sheave.

    6. (computers) A record of activities performed within a
    program, or changes in a database or file on a computer,
    and typically kept as a file in the computer.

    {Log board} (Naut.), a board consisting of two parts shutting
    together like a book, with columns in which are entered
    the direction of the wind, course of the ship, etc.,
    during each hour of the day and night. These entries are
    transferred to the log book. A folding slate is now used

    {Log book}, or {Logbook} (Naut.),
    (a) a book in which is entered the daily progress of a
    ship at sea, as indicated by the log, with notes on
    the weather and incidents of the voyage; the contents
    of the log board.
    (b) a book in which a log[4] is recorded.

    {Log cabin}, {Log house}, a cabin or house made of logs.

    {Log canoe}, a canoe made by shaping and hollowing out a
    single log; a dugout canoe.

    {Log glass} (Naut.), a small sandglass used to time the
    running out of the log line.

    {Log line} (Naut.), a line or cord about a hundred and fifty
    fathoms long, fastened to the log-chip. See Note under 2d
    {Log}, n., 2.

    {Log perch} (Zo["o]l.), an ethiostomoid fish, or darter
    ({Percina caprodes}); -- called also {hogfish} and

    {Log reel} (Naut.), the reel on which the log line is wound.

    {Log slate}. (Naut.) See {Log board} (above).

    {Rough log} (Naut.), a first draught of a record of the
    cruise or voyage.

    {Smooth log} (Naut.), a clean copy of the rough log. In the
    case of naval vessels this copy is forwarded to the proper
    officer of the government.

    {To heave the log} (Naut.), to cast the log-chip into the
    water; also, the whole process of ascertaining a vessel's
    speed by the log.

    Log \Log\, v. t. [imp. & p. p. {Logged}; p. pr. & vb. n.
    1. (Naut.), To enter in a ship's log book; as, to log the
    miles run. --J. F. Cooper.

    2. To record any event in a logbook, especially an event
    relating to the operation of a machine or device.

    Log \Log\, v. i.
    1. To engage in the business of cutting or transporting logs
    for timber; to get out logs. [U.S.]

    2. To move to and fro; to rock. [Obs.]

    1. And some industry officials argue that allowing traders to log their own trades manually invites manipulation.
    2. Banks are to watch for and log multiple purchases totaling $3,000 on the same day.
    3. I recently kept a regular log of when I was asked to produce my ticket.
    4. The three houses targeted by Peoria included the Bequette-Ribault House _ a restored log "post-and-ground house" built sometime between 1790 and 1808.
    5. Like a number of Mr. Reagan's choices, especially among appeals court judges, Judge Wilkinson is young enough to log more than 25 years on the bench, if he chooses.
    6. The number of Eastern Airlines planes sidelined with safety violations grew to at least 10 Friday, as a federal crackdown found problems including a fuel leak, a missing maintenance log and a cracked wing flap, the Machinists union said.
    7. In revenge the first mate records in the log on Tuesday that the captain was sober.
    8. Position yourself so you'll be away from the direction of the log roll.
    9. "The investigation into what happened to the log books was undertaken at our (the presidency's) initiative.
    10. A single Sitka log can have a commercial value of Pounds 40,000, so the argument over clear-cut logging is not just academic.
    11. You know that when the camera takes in a middle-aged woman kneeling in the cold water, embracing the log that has some loved one's name etched on it.
    12. At anytime the supervisor can log into a system that informs him or her what tasks an individual can do. It gives them confidence.' There is nothing remotely fussy about Granita.
    13. "We think the log book kept by another pilot is good evidence to support Brown," said Susan Adams of Christie's South Kensington salesroom.
    14. Most workers now log one- and two-hour shifts.
    15. In return, environmentalists would give industry far more certainty that it can log and manage nonwilderness areas without frivolous lawsuits.
    16. Expectations are constantly being subverted: Fish turn up in coffee percolators; a strange old woman wanders around town talking to a pet log.
    17. A progress log of appointments, letters written and calls made, kept by the job seeker and shared with the spouse, is a useful tool in keeping both partners up to date.
    18. "All my damage is minor compared to some of these people," said Jeff Johnston as he and his wife, Helen, began cleanup and repairs. Their house had broken windows and a piece of log embedded in the wall; a tool shed was destroyed.
    19. He was just 2 when his family moved out of the log cabin to a 230-acre farm on Knob Creek, 11 miles northeast of Hodgenville, Ky.
    20. But, after thumbing through the Rocky Mountain Log Homes catalog, the long-time Tokyoite concedes, "The trouble is, you really can't build a log cabin in the city."
    21. Bochco and Tarses is the same as that between condemning the mote in our neighbor's eye and acknowledging the log in our own.
    22. Some users log on to the Alpha system in order to test their own programs.
    23. He and partner Doug Betty, competing in the stock team saw, sliced a 30-inch log in 1 minute 46.54 seconds and cut through an 18-inch log with a double-handsaw in 29.95 seconds.
    24. He and partner Doug Betty, competing in the stock team saw, sliced a 30-inch log in 1 minute 46.54 seconds and cut through an 18-inch log with a double-handsaw in 29.95 seconds.
    25. The log from the top secret mission of the Enola Gay goes on the auction block Friday - Pearl Harbor Day.
    26. "If something is broken, the law requires us to record it in the log book.
    27. Hernandez allegedly ordered the burning of military log books that traced the movements of the troops accused of carrying out the massacre.
    28. While police and FBI agents surrounded Fort Vancouver on Monday, the man used black powder to fire several apparently harmless shots from replicas of cannons inside the reconstructed log fort.
    29. If the buyer has an account, the bank must verify that and log the name, account number, and details of the purchase.
    30. This would have cut annual log harvests by 10 per cent.
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