请输入您要查询的英文单词:

 

单词 clitellum
释义 clitellum Zool.|klaɪˈtɛləm|
[mod.L., f. L. clitell-æ, a pack-saddle.]
The raised band encircling the body of earth-worms towards the middle.
1839Penny Cycl. XIV. 196/1 s.v. Lumbricus, At the season of reproduction, the clitellum..becomes..a highly important agent.1855Owen Invertebr. An. xii, Between the thirtieth and fortieth segments..is..the clitellum.1877Huxley Anat. Inv. An. v. 225 The eggs..are laid in chitinous cocoons or cases..probably secreted by the clitella.
随便看

 

英语词典包含277258条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/22 12:13:11