Nitridation
[化] 渗氮\\n[医] 氮化[作用]
🗣️ 情景例句
Wonderful!
好极了！
What will you do during this weekend?
这周末你干什么？
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。