a device for connecting parts of machinery
耦接头；连接器；联合器。
a fitting on the end of a railway vehicle for connecting it to another
（连接火车车厢的）车钩。
[mass noun]the pairing of two items
联结；结合；配对
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the coupling of tribunals with ministerial enquiries 特别法庭与行政调查的结合。
sexual intercourse
性交，交媾。
the arrangement of items on a musical recording
唱片上曲目的编排
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this coupling of two of the greatest works of Haydn 海顿的两部最伟大作品的编排。
[count noun]each such item
编排好的曲目
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one of the more interesting couplings for the B minor Sonata B小调奏鸣曲中较有趣的曲目之一。
an interaction between two electrical components by electromagnetic induction, electrostatic charge, or optical link
（电磁感应、静电荷或光学通信线路引起的两个电路元件之间的）耦合。
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young couple 年轻夫妻
真题例句：
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a couple of weeks/years ago 几周/年前
真题例句：
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a couple of + 人/物 两个...
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