Marquench
等温[分级]淬火, 马氏体淬火, 淬火时效
🗣️ 情景例句
We accepted their challenge to a baseball game.
我们接受了他们棒球邀请赛的挑战。
Why are you laughing at me?
你为什么嘲笑我？
At the moment, he's in Madrid.He flew to Spain a week ago.
现在他在马德里。他是一星期以前飞到西班牙的。