Nitempering
气体软氮化; 氮回火
🗣️ 情景例句
I'm planning to run for the school board.
我打算竞选联合校董会董事。
I told him to come in and rest for a while.
我告诉他进来休息一下。
Have you ever put your trousers in the washing machine and then remembered there was a large bank note in your back pocket?
你有没有把裤子塞洗衣机，然后又想在裤子的后兜有一张大面值的纸币？