请输入您要查询的英文单词:
单词
actinium
释义
actinium
n. Chem. a radioactive metallic element of the actinide series, occurring naturally in pitchblende.
Usage
Symb.: Ac.
随便看
grab
grabble
grabby
graben
grace
graceful
graceless
gracile
gracility
gracious
grackle
grad
gradate
gradation
grade
grader
gradient
gradine
gradual
gradualism
graduand
graduate
graduation
Graecism
Graecize
英语词典包含43808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:2025/11/12 1:06:19