请输入您要查询的词汇:

 

词汇 cog-wheel
词源

cog-wheel n.

"wheel having teeth or cogs," early 15c., from cog (n.) + wheel (n.).

updated on January 12, 2018

随便看

 

英语词源词典收录了45867条英语词源词条,基本涵盖了全部常用英语词汇的起源、历史,是研究英语词汇或通过词源学英语的必备工具。

 

Copyright © 2000-2024 Newdu.com.com All Rights Reserved
更新时间:2025/7/11 8:56:50