Minvar
敏瓦尔低膨胀系数合金铸铁
🗣️ 情景例句
I've got to start thinking about college soon.
我很快也得开始考虑大学的事了。
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般来讲，合同一经双方签订就不得更改。
How old are you?
你多大了？