Re: a grammar book and an electronic dictionary by Oxford.
"Sound" can be countable and uncountable.
Originally Posted by Ju
"Rain" is generally uncountable but you can say "The rains have finally come to the country".
"Liquid" can be countable and uncountable.
"Smoke" as the noun meaning the cloudy stuff which comes from fire or cigarettes is uncountable. "Smoke" as a slang noun for a cigarette is countable ("Have you got any smokes?")
Remember - correct capitalisation, punctuation and spacing make posts much easier to read.