水果fruit是可数名词吗

例句：

He just lived on fruit.

他只靠吃水果维持生命。

Would you like some more fruit?

你要不要再吃点水果?

The mango is a tropical fruit.

芒果是种热带水果。

Some fruits freeze better than others.

有些水果比其他的适宜于冷藏。

Dried fruits are especially high in fibre.

干水果的纤维素含量尤其高。