3325英语网 英语单词
Thermion的音标发音
Thermion
英式发音：[θә:miәn]
美式发音
(noun.) an electrically charged particle (electron or ion) emitted by a substance at a high temperature.
吉尔达整理
(noun.) an electrically charged particle (electron or ion) emitted by a substance at a high temperature.
吉尔达整理