请输入您要查询的英文单词:
单词
radioactinium
释义
ra·dio·actinium
\“+\
noun
Etymology:
New Latin, from
radio- + actinium
:
the radioactive isotope of thorium of mass number 227 formed by disintegration of actinium
— symbol
RdAc
or
Th
227
; see actinium series
随便看
diurnal
diurnal arc
diurnal circle
diurnal inequality
diurnalist
diurnally
diurnal motion
diurnal parallax
diurnation
diuron
diuturnal
diuturnity
div
diva
diva
diva blue
divagate
divagation
divalent
divali
divan
divariant
divaricate
divaricately
divarication
英语词典包含332784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:2026/5/10 3:50:09