flaps
[flæps]
n.
（兽医）马唇肿胀;
v.
（使）上下左右移动( flap的第三人称单数 );
轻拍;
焦急，焦虑;
振（翅）;
例句:
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The flag flaps in the wind.
旗在风中飘动.
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He was supposed to furl the side flaps in the morning.
他的任务就是每天早上把两侧的遮帘卷起.
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Fluid tends to accumulate beneath the flaps.
液体倾向于积存在皮瓣下.
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The raven flaps her funeral wing.
来自Byron
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Many have tiny, but recognisable, legs while others have functionless flaps.
来自BBC
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Ten tracks; a catalogue of lost opportunities and half-hearted flaps at greatness.
来自BBC