Perlition
表面渗碳用液体渗碳剂
🗣️ 情景例句
My parents are expecting to see good grades this semester.
我父母希望我这个学期取得好成绩。
May I have a look at the watch?
我能看看这块表吗？
We have a showroom in this city.
我们在本市设有一个展示中心。