Cedit
赛迪特(铬镍钨硬质合金)
🗣️ 情景例句
Isn't it exciting, Grandpa?
真令人兴奋， 是吗， 爷爷？
I can see you have put a lot of time into it.
我相信你在制定这个计划上一定花了不少精力吧。
How long has this factory been open?
这家工厂建成有多久了？