Colalloy
考拉洛铝镁合金
🗣️ 情景例句
I don't think so.
我想不是吧。
I'm sorry. I can't make it on Tuesday.
对不起，星期二我无法参加。
It was upon this principle that the first instruments were made,
据这一原理，制造出了最初的地震仪器，