Carburizing agent
[机] 渗碳剂
🧩 词语组成解析
[机] 渗碳
🗣️ 情景例句
and tell him we'll see him in a couple of months.
告诉他过几个月我们再去找他。
You should wear a raincoat, It's rainy today.
你应该穿一件雨衣，因为今天下雨。
Yes?
什么事？