| 单词 | cercus |
| 释义 | cercus —cercal, adj. /serr"keuhs, ker"-/, n. , pl. cerci /serr"suy, ker"kee/. one of a pair of appendages at the rear of the abdomen of certain insects and other arthropods, serving as tactile organs. [1820-30; < NL < Gk kérkos tail] |
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