Thermionics
n. 热离子学\\n[医] 热离子学
🗣️ 情景例句
and it's only about an hour's drive from here.
而且从此地到那里只有大约一小时的车程。
If you would have a thing well done,do it yourself.
想把事情来做好，就得亲自动手搞。
Yes, we have plenty on hand right now.
可以，我们目前有不少现货。