Thermionic activity
[化] 热离子活度
🧩 词语组成解析
a. 热离子的\\n[电] 热离
🗣️ 情景例句
I feel sorry for the beggars, but I can't stand it when they teach their children how to beg.
我很同情乞丐，但我真的看不惯他们教孩子怎么样行乞。
A pound of care will not pay an ounce of debt.
深忧偿不了小债。
I have had several conversations with him.
我已经和他谈过几次了。