Nitriding
v. 渗氮
🗣️ 情景例句
I have something for you. I made it myself.
我有件东西给你们， 是我亲手做的。
Whom will you race with?
你将和谁比赛？
For all his life, he had known that people suddenly disappeared from their villages.
他一生中，听说过有的人突然间在他们的村庄失踪了。