Thermionic tube
[电] 热离子管
🧩 词语组成解析
a. 热离子的\\n[电] 热离
🗣️ 情景例句
That was not the case.
事实并非如此。
Who undertakes many things at once, seldom does anything well.
许多事情同时干，一件事也办不成。
How about yourself?
你自己呢？