- 相关例句
Mr Croft : Yes, it is. It is very urgent. I feel awful. I have terrible toothache.
克罗夫特先生: 是的, 很急. 情况很紧急. 我觉得很难受. 牙齿痛极了.
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Gear: Machine component consisting of a toothed wheel attached to a rotating shaft.
齿轮: 一种机械零件,固定在旋转轴上的带齿的轮子.
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