| 单词 | mentum |
| 释义 | mentum /men"teuhm/, n. , pl. menta /-teuh/. 1. Entomol. the medial plate of the labium in insects. 2. Bot. a chinlike protuberance formed by the sepals and the base of the column in some orchids. [1685-95; < NL, L mentum chin, akin to MOUTH] |
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