plying
[p'laɪɪŋ]
v.
使用（工具）( ply的现在分词 );
经常供应（食物、饮料）;
固定往来;
经营生意;
例句:
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I went to the little lane where I had last seen her plying the bellow's lever.
我绕到那个小巷,希望见着妈妈;我想起她在门外拉风箱的样子.
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All manner of hawkers and street sellers were plying their trade.
形形色色的沿街小贩都在做着自己的买卖.
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It was rather Mrs. Wang who led the conversation, plying Miss Liu with questions.
倒是汪太太谈锋甚健,向刘小姐问长问短.
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That's where master winemaker Sebastien Marquet is plying his trade.
来自VOA
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Serving wenches...sate plying their distaffs.
来自Sir W. Scott
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Early days saw DB plying his trade as a producer, helping nurture talents as diverse as The Slits, The Pop Group and Bananarama.
来自BBC