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 once [wʌns]   添加此单词到默认生词本
ad. 一次, 曾经, 一旦

conj. 一旦, 一经

n. 一次

a. 从前的




    once
    [ adv ]
    1. on one occasion

    2. <adv.all>
      once I ran into her
    3. as soon as

    4. <adv.all>
      once we are home, we can rest
    5. at a previous time

    6. <adv.all>
      at one time he loved her
      her erstwhile writing
      she was a dancer once


    Once \Once\ ([o^]ns), n. (Zo["o]l.)
    The ounce.


    Once \Once\ (w[u^]ns), adv. [OE. ones, anes, an adverbial form
    fr. one, on, an, one. See {One-}, {-Wards}.]
    1. For one time; by limitation to the number one; not twice
    nor any number of times more than one.

    Ye shall . . . go round about the city once. --Josh.
    vi. 3.

    Trees that bear mast are fruitful but once in two
    years. --Bacon.

    2. At some one period of time; -- used indefinitely.

    My soul had once some foolish fondness for thee.
    --Addison.

    That court which we shall once govern. --Bp. Hall.

    3. At any one time; -- often nearly equivalent to ever, if
    ever, or whenever; as, once kindled, it may not be
    quenched.

    Wilt thou not be made clean? When shall it once be?
    --Jer. xiii.
    27.

    To be once in doubt
    Is once to be resolved. --Shak.

    Note: Once is used as a noun when preceded by this or that;
    as, this once, that once. It is also sometimes used
    elliptically, like an adjective, for once-existing.
    ``The once province of Britain.'' --J. N. Pomeroy.

    {At once}.
    (a) At the same point of time; immediately; without delay.
    ``Stand not upon the order of your going, but go at
    once.'' --Shak. ``I . . . withdrew at once and
    altogether.'' --Jeffrey.
    (b) At one and the same time; simultaneously; in one body;
    as, they all moved at once.

    {Once and again}, once and once more; repeatedly. ``A dove
    sent forth once and again, to spy.'' --Milton.

    Ounce \Ounce\, n. [F. once; cf. It. lonza, Sp. onza; prob. for
    lonce, taken as l'once, fr. L. lynx, Gr. ?, or an (assumed)
    fem. adj. lyncea, from lynx. Cf. {Lynx}.] (Zo["o]l.)
    A feline quadruped ({Felis irbis} syn. {Felis uncia})
    resembling the leopard in size, and somewhat in color, but it
    has longer and thicker fur, which forms a short mane on the
    back. The ounce is pale yellowish gray, with irregular dark
    spots on the neck and limbs, and dark rings on the body. It
    inhabits the lofty mountain ranges of Asia. Called also
    {once}.

    1. In addition, union and management have promised to work together to resolve problems arising from layoffs, production schedule changes, major investments and day-to-day decisions once left entirely to management.
    2. And in case you may have missed it the first 38 times, the Pickle Packers International association is out once again to convince the world of the preserved cucumber's value in everything from elementary education to international policy making.
    3. The senator had once said she would retire after two terms and her announcement came after prolonged speculation that she would stick to that plan.
    4. So we believe that the addition of Joe will cause them to come home." Frank says NBC, in seeking the top "Today" ratings of yesteryear, is hoping to "recapture some of that warmth and family appeal" the show once had.
    5. The hard part comes once the novelty wears off and the marketing blitz subsides.
    6. When the statistics laid the exalted mantel of extreme livability on Pittsburgh, a city once known as "hell with the lid off," even Rand McNally didn't believe it at first.
    7. And once that becomes evident to investors, these optimistic analysts see nothing ahead but blue sky for stock prices.
    8. The Canadian natural resources company was once controlled by fugitive financier John C. Doyle.
    9. Little more than a quarter of US exports go to Mexico and Canada - a proportion that is likely to change only slowly once the agreement comes into force in 1994.
    10. The en suite panelled bathroom had a free-standing bath and sociable chairs. This was our self-catering home for the weekend, the house once host to William III.
    11. As in watering, "once established" are the key words.
    12. It also includes projections for slower sales once most of the sales incentives that currently offer rebates and loan financing as low as 1.9% end later this month.
    13. "But I think if I would have done that, I would have been ashamed for the rest of my life." Loftus, the crusader, was once a comfortable insider with a steppingstone resume.
    14. The impoverished northeast was once the stronghold of the Communists, who fielded about 12,000 fighters at the peak of power in the late 1970s.
    15. The gunmen shot him once in the stomach and fled empty-handed.
    16. Kroger ads used to feature videos only once every six weeks; now videos appear in each weekly circular.
    17. For the season ending April 14, the three major networks, which once had a virtual monopoly on viewership, attracted just 62% of viewers.
    18. The desegregation of swimming pools, toilets and other facilities once reserved for whites has changed little for millions of blacks who still face prejudice, poverty and hopelessness.
    19. Temperatures remained in the 40s in the park Monday, keeping humidity levels at up to 50 percent, but the weather was expected to begin clearing Tuesday and temperatures were to reach 70 degrees by Wednesday, drying the area once again.
    20. He once characterized his disagreements with Charles and David as business disputes and said he has "a great deal of respect" for his brothers.
    21. "Every once in a while we do get a call from a community interested in enhancing its tax base," Sloan said in Washington. "But the reality is that most retirees don't move very far." Still, the biggest promotional obstacle may be the weather.
    22. But the West has never abandoned all its doubts about Soviet intentions, and now it might start wondering once again who is really in control in the Kremlin.
    23. Laryngitis caused Nancy Reagan to cancel a trip today to a Nashville, Tenn., school that a snowstorm had prevented her from visiting once before.
    24. Boussena said the oil producing nations would return to their quota system once the Gulf crisis ended.
    25. When it once again seems appropriate, forcefully pump your arm outward again.
    26. Democratic gubernatorial candidate John R. Silber sparked protests from Jewish organizations after saying he encountered racism among Jews when he once considered converting.
    27. I mean, no one says trunks anymore." Bobby Shriver, 36, venture capitalist and Special Olympics producer, New York: "I remember once I was out walking with my grandmother.
    28. And of course, the Justice Department job, like the Iraqi pipeline Mr. Wallach also once advocated, never materialized.
    29. A funnel cloud becomes a tornado once it touches the ground.
    30. The move is likely to harm his chances, once seen as good, to become the country's prime minister soon.
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