Nitridation
[化] 渗氮\\n[医] 氮化[作用]
🗣️ 情景例句
We are.
我们是。
It's impossible. You may notice that the cost of raw materials has gone up in recent years.
不可能，您可能注意到了近年来原材料的价格上涨了。
I like writing to my penfriend, but it takes a lot of time.
我喜欢给笔友写信，但那很花时间。