knock

/nɒk/

柯林斯星级

牛津核心词汇

BNC频率: 1958

现代语料频率: 2087

中考英语高考英语

n. 敲, 敲打, 敲门

v. 敲击, 互撞, 攻击

any of various compounds that are added to gasoline to reduce engine knocking s

suppressing or eliminating engine knock in combustion engines

any of several small freshwater fishes that catch insects by squirting water at them and knocking them into the water

a table game in which short cues are used to knock balls into holes that are guarded by wooden pegs

penalties are incurred if the pegs are knocked over

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