Contamin
康塔明铜锰镍电阻合金
🗣️ 情景例句
If you can't handle this job by yourself, I'm just a phone call away.
若你不能自己处理这件事的话，就打个电话给我吧。
Every day is not Sunday.
好景不常在，好花不常开。
John's day.
约翰的一天。