| 词汇 | copulate |
| 词根词缀 | 词源： 14c., from L. copulatus, pp. of copulare "join together, link, unite," from copula "band, tie, link," from PIE *ko-ap-, from *ko(m)- "together" + *ap- "to take, reach." Originally simply "to join" (see copulation). |
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