请输入您要查询的英文单词:

 

单词 astatine
释义

as·ta·tine

noun
/ˈæstətiːn/
/ˈæstətiːn/
[uncountable]
(symbol At)
  1. a chemical element. Astatine is a radioactive element that is found in small amounts in nature, and is produced artificially for use in medicine.砹(放射性化学元素)
    Word Origin1940s: from Greek astatos ‘unstable’ + -ine.
随便看

 

英汉双解词典包含314281条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2026/7/20 10:52:55