sank
[sæŋk]
v.
（使）下沉， （使）沉没( sink的过去式 );
例句:
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I held my breath and sank under the water.
我屏住呼吸沉入水底。
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She sank into an armchair and crossed her legs.
她坐到一把扶手椅上，跷起了二郎腿。
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He sank the spade into the ground, and went at it.
他把铁锹插到地里，开始卖力地干了起来。
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The Cheonan exploded and sank in the Yellow Sea.
来自VOA
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Natural history sank into a mire of unproductive pedantry.
来自S. J. Gould
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I am not contending Titanic would not have sank.
来自SA