glass的復數形式是什么怎么寫

　　例句

　　Ah, they know those two in the glass.

　　啊，他們認識鏡子里的那兩個人。

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

　　遭受較少爭議的便是玻璃制品的回收處—也就是，除了在那些缺乏其消費市場的地方。

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

　　我們把這些垃圾分為紙、塑料、金屬、玻璃和其它類別。