coupling
柯林斯词典
1. N-COUNT A coupling is a device which is used to join two vehicles or pieces of equipment together. 軸承; 掛鉤[oft supp N]
Before driving away, re-check the trailer coupling. 把車開走前，請再檢查一下拖車的掛鉤。
2. N-COUNT An act of sexual intercourse is sometimes referred to as a coupling. 性交[正式]
...sexual couplings. ...性交。
3. →see also couple
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