Carbusintering
渗碳烧结
🗣️ 情景例句
It was his first date in two years.
这是他两年来第一次约会。
None but the wearer knows where the shoe pinches.
只有那个穿鞋人，才知哪里鞋轧脚。
Could you tell me where I can wash my hands?
请问洗手间怎么走？