Why are uices and drinks accountable nouns?

[Mlngvt]

Dear teacher,
Please explain why "juices" and "drinks" are ccountable nouns? Thaks a lot.

"Fruit juices and milk are healthful drinks."

[Mister Micawber]

'
The word is countable nouns-- things that can be counted.

The sentence speaks of kinds of juices-- orange juice, apple juice, etc-- and there are similarly kinds of drinks-- cola, ginger ale, Pokari Sweat, etc.-- and these can be counted: I listed two kinds of juice and three kinds of drink (or, two juices and three drinks).

Only the liquid itself is uncountable: there isn't much orange juice in the pitcher.
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Native English teacher at Mister Micawber's

[Guest]

Thank you a lot.