Malcomising
不锈钢表面氮化; 氮化热处理
🗣️ 情景例句
Three things?
三件事？
It is a matter of life and death to me.
那对我是生死交关的问题。
Looking into the drawing room, she saw a scene of confusion over by her writing desk.
她往起居室里看去，写字台边一片狼籍。