Metalsorter
金属鉴别仪
🗣️ 情景例句
We have a live-in doctor if there's a problem I can't handle.
假如我遇到不能解决的问题 ，我们还有位驻家医生。
He tells me is a city boy, and this is his first time to live in a camp like this.
他说他是一个都市男孩，这是他第一次过这种野营生活。
Anyway, as Brian pointed out, it is the easiest thing in the world to give up smoking.
不管怎么说，正如布赖恩指出的那样，戒烟是世界上最容易的事情，