He took a puff at his cigarette.
他吸了一口香烟。
He took a long puff at his rank cigar.
他深深抽了一口臭味难当的雪茄烟。
She gave my new book a puff at the meeting.
她在会议里吹嘘我的新书。
At present the first phase, steam huff-puff, still stays.
目前大都处在第一阶段—蒸汽吞吐。
At present the first phase, steam huff-puff, still stays.
目前大都处在第一阶段—蒸汽吞吐。
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