3325英语网 英语单词
Francium的音标发音
Francium
英式发音：[frænsiәm]
美式发音
(noun.) a radioactive element of the alkali-metal group discovered as a disintegration product of actinium.
录入:洛根
(noun.) a radioactive element of the alkali-metal group discovered as a disintegration product of actinium.
录入:洛根