reef的意思|reef的解释-里氏词典

reef [ri:f]

n. 暗礁, 礁, 缩帆

vt. 缩(帆)

vi. 缩(帆)

reef

[ noun ]

a submerged ridge of rock or coral near the surface of the water

<noun.object>

a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese

<noun.location>

one of several strips across a sail that can be taken in or rolled up to lessen the area of the sail that is exposed to the wind

<noun.artifact>

[ verb ]

lower and bring partially inboard

<verb.motion>

reef the sailboat's mast

roll up (a portion of a sail) in order to reduce its area

<verb.change>

reduce (a sail) by taking in a reef

<verb.change>

Reef \Reef\, v. t. [imp. & p. p. {Reefed} (r[=e]ft); p. pr. &
vb. n. {Reefing}.] (Naut.)
To reduce the extent of (as a sail) by rolling or folding a
certain portion of it and making it fast to the yard or spar.
--Totten.

{To reef the paddles}, to move the floats of a paddle wheel
toward its center so that they will not dip so deeply.

Reef \Reef\ (r[=e]f), n. [Akin to D. rif, G. riff, Icel. rif,
Dan. rev; cf. Icel. rifa rift, rent, fissure, rifa to rive,
bear. Cf. {Rift}, {Rive}.]
1. A chain or range of rocks lying at or near the surface of
the water. See {Coral reefs}, under {Coral}.

2. (Mining.) A large vein of auriferous quartz; -- so called
in Australia. Hence, any body of rock yielding valuable
ore.

{Reef builder} (Zo["o]l.), any stony coral which contributes
material to the formation of coral reefs.

{Reef heron} (Zo["o]l.), any heron of the genus {Demigretta};
as, the blue reef heron ({Demigretta jugularis}) of
Australia.

Reef \Reef\, n. [Akin to D. reef, G. reff, Sw. ref; cf. Icel.
rif reef, rifa to basten together. Cf. {Reeve}, v. t.,
{River}.] (Naut.)
That part of a sail which is taken in or let out by means of
the reef points, in order to adapt the size of the sail to
the force of the wind.

Note: From the head to the first reef-band, in square sails,
is termed the first reef; from this to the next is the
second reef; and so on. In fore-and-aft sails, which
reef on the foot, the first reef is the lowest part.
--Totten.

{Close reef}, the last reef that can be put in.

{Reef band}. See {Reef-band} in the Vocabulary.

{Reef knot}, the knot which is used in tying reef pointss.
See Illust. under {Knot}.

{Reef line}, a small rope formerly used to reef the courses
by being passed spirally round the yard and through the
holes of the reef. --Totten.

{Reef points}, pieces of small rope passing through the
eyelet holes of a reef-band, and used reefing the sail.

{Reef tackle}, a tackle by which the reef cringles, or rings,
of a sail are hauled up to the yard for reefing. --Totten.

{To take a reef in}, to reduce the size of (a sail) by
folding or rolling up a reef, and lashing it to the spar.

There are no designated shipping lanes along the reef around the Florida Keys, Jackson said.
The tanker Exxon Valdez hit a reef and spilled nearly 11 million gallons of crude oil into the sound March 24.
So Peter Busch, a local beer distributor, found the perfect gift _ an artifical reef.
The accident happened about four miles south of where the 155-foot freighter Alec Owen Maitland ran aground Oct. 25, cutting a 200-foot swath in the reef in the sanctuary.
But during the legal arguments, Assistant District Attorney Brent Cole said he might change that, if necessary, to claim that Hazelwood risked damage to his ship by trying to get it off the reef.
They included the theme from the motion picture "Jaws." "I just wanted to give them something to think about," laughed disc jockey Barry Scot of WWUS radio, which sponsored the festival to educate divers about reef protecton and conservation.
The transportation secretary said the supertanker ripped into the reef at about 15 knots, or about 17 miles per hour.
Hazelwood remembered his feelings when the tanker hit a charted reef.
Once in the water, the reef will be tested by University of Florida researchers, who also will be checking to see if marine life grows on the reef.
Once in the water, the reef will be tested by University of Florida researchers, who also will be checking to see if marine life grows on the reef.
Officials still were assessing reef damage caused by the Elpis, but some experts and environmentalists say the damage from the three groundings may be irreparable.
Third mate Gregory Cousins also said he is convinced that had the helmsman on the ship followed his orders, the tanker would have missed a rocky reef by several miles.
The ship hit a reef, gushing crude oil into Prince William Sound.
Exxon officials said they expect to declare the summer cleanup over Friday, 25 weeks after the tanker Exxon Valdez cracked open on a reef and spilled nearly 11 million gallons of crude oil.
"We have the only living coral reef (in the U.S.) just eight miles offshore," says Mayor Sawyer.
Both rocks are shaped like mushrooms with thin stems attached to the submerged reef, which is about three miles square.
Exxon has taken responsibility for the damage that occurred when its tanker hit a charted reef in Prince William Sound, but has insisted the company was not negligent in its safety precautions.
A miscalculation about the location of the reef might have left the Valdez with no time to respond.
North Dew and East Dew are about a mile apart on the reef, which was an island called Parece Vela when it appeared on 17th century Spanish navigation charts.
Pennekamp boasts the nation's only shallow-water living coral reef, which also extends into the federal Key Largo reserves.
No diesel oil leaked from the Maitland's fuel tanks during its 27 hours on the reef four miles east of Key Largo, a popular diving spot.
The prosecution claims that Hazelwood, skipper of the crippled ship, was reckless in trying to drive it off the reef after the March 24 accident.
The tanker Exxon Valdez slammed into a reef in Prince William Sound on March 24, causing the nation's largest oil spill and sullying hundreds of miles of Alaska coastline.
Exxon Shipping Co. president Frank Iarossi also said that Exxon has spent more than $92 million on the cleanup of the nation's worst oil spill, caused by its tanker Exxon Valdez hitting a reef on March 24.
Exxon fired the skipper soon after the ship struck a charted reef and spilled nearly 11 million gallons of crude oil, polluting miles of shoreline and killing wildlife.
Last March, an Exxon tanker ran aground on a reef an spilled 11 million gallons into Alaska's pristine Prince William Sound.
The tanker struck a reef in Prince William Sound on March 24, spilling nearly 11 million gallons of oil.
He was accused of being drunk on duty and being away from the ship's bridge when it rammed a charted reef.
The Coast Guard has been given final authority over the cleanup of the oil that poured from the tanker, which veered sharply out of shipping lanes March 24 and slammed into a treacherous reef.
The Valdez, Alaska, harbor was closed Friday after 240,000 barrels of oil spilled from an Exxon Shipping Co. oil tanker that ran aground on a reef south of the port city.

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