请输入您要查询的英文单词:

 

单词 apterous
释义 apterous, a.|ˈæptərəs|
[f. as prec. + -ous.]
1. Zool. Wingless; esp. belonging to the Aptera, a sub-order of Insects including lice and spring-tails.
1775White Selborne lxv. (1865) 272 These apterous insects.1786Lightfoot Brit. Shells in Phil. Trans. LXXVI. 169 The body of the single specimen which had wings was..narrower than the apterous ones.1880Bastian Brain 61 Blind insects are all apterous.
2. Bot. Of seeds, leaf-stalks, etc.: Having no membranous expansions; opposed to alate.
1830Lindley Nat. Syst. Bot. 45 [The Mangosteen Tribe have] seeds..always apterous.
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:2024/6/3 7:28:44