Nitriding
v. 渗氮
🗣️ 情景例句
What made you change your job so frequently?
为什么你经常转工？
The failure drove him hito despair.
这次失败使他绝望。
Frank could hardly conceal his excitement, for he knew that he had made a real discovery.
弗兰克几乎无法掩饰自己兴奋的心情，因为他明白自己发现了一件珍品。