tapping
['tæpɪŋ]
n.
出渣，出钢，出铁;
v.
开发( tap的现在分词 );
（从容器等）汲取（液体）;
割[打]开…取[放]液体;
轻拍，轻敲;
例句:
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Assemble the joint, tapping the wedge into position.
来自Traditional Woodworking
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There have also been claims of continued phone-tapping and bugging.
另有指控称仍有电话窃听和干扰。
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I felt a tapping on my shoulder and I turned around.
我感到有人拍了一下我的肩膀，于是转过身去。
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The company is tapping shareholders for £15.8 million.
公司要向股东募集1,580万英镑。
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Booking Booking Callum Tapping is given a yellow card.
来自BBC
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But tapping into that growth is no easy task.
来自WSJ