The noun "juice" can be both countable and uncountable.
Meaning: liquid that's squeezed from fruit or vegetables
Example sentence: Do you buy juice from the supermarket, or do you make it at home?
Meaning: one glass of juice, or a particular kind of juice
Example sentence: I'll have two beers and an orange juice, please.
Test your understanding:
- Do you drink any fruit juice in the morning?
- No, but I have a juice or a smoothie with my lunch.