tea cup 可数吗

例句

I like tea while she likes coffee.

我喜欢喝茶，而她喜欢喝咖啡。

When should I have the tea insured?

我什么时候将这批茶叶投保？

So, what is the name of its tea come from?

那么，什么是它的茶叶的名字从何而来？