chuff
chuff1verb- [no obj., with adverbial of direction](of a steam engine) move with a regular sharp puffing sound
(蒸汽机)噗噗地开动
语源- early 20th cent.: imitative
chuff2noun- (informal chiefly Brit. )a person's buttocks or anus
(非正式, 主 英 )(人的)屁股;肛门
语源- 1940s: origin uncertain
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