The three words "ice cream, salad and chicken" are uncountable nouns when expressing specific items, but they are countable nouns when expressing their respective types, and they have plural forms.
Related vocabulary and knowledge:
Broccoli English [? br? k? Li] beauty [? brɑ:k? li]
Broccoli; Cauliflower;
[Example] He polished off a large steak, Salad, Broccoli swimming in thick sauce, and half a litre of wine.
He wolfed down a large steak, a lot of salads and cauliflower soaked in thick sauce, and drank half a liter of red wine.
Countable nouns refer to people or things that can be counted by numbers and divided into individuals; Therefore, it has a plural form, and when its plural form is used as the subject in a sentence, the predicate of the sentence also uses the plural form.
Uncountable nouns refer to things that cannot be counted by numbers and can not be divided into individual concepts, states, qualities, feelings or materials. Generally, it has no plural form, only a singular form, and it cannot be preceded by the indefinite article a/an To express its individual meaning, it is usually used with a noun phrase, which is equivalent to the numeral+(quantifier)+noun in Chinese, and the meaning of quantifier depends on the collocation with specific nouns. But when uncountable nouns mean "one kind, one field, one time", "one time" and an emotion, when uncountable nouns are used to refer to something or a product or work that causes this emotion, the indefinite article a/an can also be used directly in front of it.