tea是可數(shù)名詞嗎?

tea當茶的意思講時應該是不可數(shù)名詞。當茶的種類講時，是可數(shù)名詞。
例句：
Let him get his own cup of tea.
讓他自己去倒茶。
Ill put the kettle on for tea.
我來燒壺水好沏茶。