glass的复数形式是什么怎么写

例句

Ah, they know those two in the glass.

啊，他们认识镜子里的那两个人。

Far less controversial is the recycling of glass—except, that is, in places where there is no marketfor it.

遭受较少争议的便是玻璃制品的回收处—也就是，除了在那些缺乏其消费市场的地方。

We sort all of it into paper, plastic, metal, glass and others.

我们把这些垃圾分为纸、塑料、金属、玻璃和其它类别。