Thermionic effect
[化] 热离子效应
🧩 词语组成解析
a. 热离子的\\n[电] 热离
🗣️ 情景例句
to spend a weekend with him at his farm.
去他的农场跟他一起渡个周末。
You cannot sell the cow and sup the milk.
你不可能出售乳牛，同时又要喝牛奶。
The degree of secrecy naturally varies considerably.
保密程度自然差别很大。