Thermoionization
热电离
🗣️ 情景例句
You did?
你请了她？
We would appreciate it if you let us know whether you allow cash or trade discounts.
若能告知你方是否给现金折扣或商业折扣，将不胜感激。
I like all kinds of fruit.
我喜欢各种各样的水果。