不锈钢杯子的表面形成一个镜面。

The stainless steel cup has a polished mirror finish.

youdao

所以如果可以的话，切记用不锈钢杯或是玻璃瓶都好！

Use a stainless steel Canteen or a glass bottle when you can!

youdao

所以如果可以的话，切记用不锈钢杯或是玻璃瓶都好！

Use a stainless steel Canteen or a glass bottle when you can!

youdao