Contamin
康塔明铜锰镍电阻合金
🗣️ 情景例句
there's a lot to do around the house,
这屋里有很多事可做，
It is not good to wake a sleeping lion.
睡狮莫惊。
This decline in vigour with the passing of time is called ageing.
生命力随时间的流失而衰退叫做衰老。