请输入您要查询的英文单词:
单词
actinium
释义
actinium
/ækˈtiniəm/
n. Chem.
a radioactive metallic element of the actinide series, occurring naturally in pitchblende (symbol
符
Ac
)
【化】
(
化学元素
)
锕
[Greek
aktis -inos
‘ray’ + -IUM]
随便看
reinforce
reinforced concrete
reinforcement
reinforcer
reinless
reinsert
reinsertion
reinstate
reinstatement
reinsurance
reinsure
reinsurer
reintegrate
reintegration
reinter
reinterment
reinterpret
reinterpretation
reintroduce
reintroduction
reinvent
reinvention
reinvest
reinvestment
reinvigorate
英汉双解词典包含94788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:2026/4/20 15:13:27