| 单词 | dart-sac |
| 释义 | > as lemmasdart-sac dart-sac n. a hollow structure connected with the generative organs of some gastropods, from which the darts ( 2(b)) are ejected. ΚΠ 1870 G. Rolleston Forms Animal Life 49 A cylindrical hollow muscular organ, the dart-sac. < as lemmas |
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