Cunic
库尼克铜镍合金
🗣️ 情景例句
How many people are there in your family?
你家里有几口人？
For professional footballers, injuries are an occupational hazard.
对于职业足球运动员来说，受伤是职业本身带来的危险。
Sometimes we aren't able to get into every building because there are too many steps.
有时我们并不能进每栋楼房，是因为楼梯太多了。