rucks
n.
（橄榄球）自由密集争球( ruck的名词复数 );
普通人;
寻常事物;
（使）起皱褶;
v.
（橄榄球）自由密集争球( ruck的第三人称单数 );
普通人;
寻常事物;
（使）起皱褶;
例句:
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Many a ship has been wrecked on those rucks.
许多艘船只都触礁毁坏了.
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The governor...rucks you if you take more than ten minutes for a quarter of an hour's job.
来自P. Willmott
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He's there to hit rucks, to do all the donkey work and to carry tightly and effectively, and that balance isn't quite right.
来自BBC