1 [U] a hard substance that you can usually see through that is used for making windows, bottles, etc 玻璃: He cut himself on broken glass. 他给玻璃碎片割伤了。a sheet/pane of glass 一块玻璃／窗玻璃a glass jar/dish/vase 玻璃缸子╱碟子╱花瓶 ☞picture at building 见building插图

2 [C] a drinking container made of glass; the amount of liquid it contains 玻璃杯；一杯的量: a wine glass 葡萄酒杯a brandy glass 白兰地酒杯Could I have a glass of water, please? 可以给我一杯水吗？ He drank three glasses of milk. 他喝了三杯牛奶。