Epithermal neutron
[电] 外热中子
🧩 词语组成解析
a. 超热的
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
No problem. How much?
没问题，你要多少？
There are some books on the stereo.
音响上面有几本书。