请输入您要查询的词汇:

 

词汇 fluoride
词根词缀 词源:
1826, "binary compound of fluorine with another element," from the same source as fluorine (q.v.). Fluoridation, in reference to adding traces of fluorine to drinking water as a public health policy, dates from 1949.
随便看

 

英语词根词缀词典收录了31503条英语词根词缀词条,基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析,是记忆英语词汇的必备工具。

 

Copyright © 2000-2024 Newdu.com.com All Rights Reserved
更新时间:2025/1/25 9:48:31