bottle是可数名词吗

　　He drank his beer out of the bottle.

　　他从瓶口直接喝啤酒。

　　He peered at the label on the bottle.

　　他注视着瓶子上的标签。

　　She had drunk half a bottle of whisky.

　　她已经喝了半瓶威士忌。