首页
汉语词典
英英词典
请输入您要查询的英文单词:
单词
francium
释义
francium
/fran"see euhm/
,
n. Chem.
a radioactive element of the alkali metal group.
Symbol:
Fr;
at. no.:
87.
[
1945-50; after FRANCE where first identified; see -IUM
]
随便看
TRM
tRNA
TRO
Troad
trobar clus
Trobriand Islands
trocar
troch.
trochaic
trochal
trochanter
troche
trochee
trochelminth
trochilus
trochlea
trochlear
trochlear nerve
trochoid
trochophore
trod
trodden
Troezen
troffer
trog
英语词典包含168451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 mdict.net All Rights Reserved
更新时间:2026/8/23 21:20:27