a piece of glass的意思|示意

One simple and (at least, in the movies) popular test to determine whether a diamond is real is to run it across a piece of glass.

确定钻石是真是假的一个简单而（至少在电影里）流行的测试是让它在一片玻璃上滚。

A piece of glass sliced into his shoulder.

一块玻璃划破他的肩膀。

She stepped on a piece of glass and felt a sharp pain in her foot.

她一脚踩在一片玻璃上，感到脚上一阵刺痛。

Fog up a piece of glass with your breath and look through the fogged plate in a darkened room at a white-light point source.

哈气使一片玻璃蒙上一层水雾，并在一个暗间里通过它来观察一个白色点光源。

If you took apart the plastic anti-theft tag on a DVD case, you'd find a thin piece of metallic glass that looks like aluminum foil.

如果你把一个DVD盒上的塑料防盗标签拆下来，你将会发现看起来像铝箔的一层很薄的金属玻璃。

Now stop me kiss your only obstacle is your cell phone on a piece of glass.

现在阻止我吻你的唯一障碍就是你手机上的这块玻璃。