s
noun
(alsosec)written abbreviationforsecond
秒（second 的缩写）
Grammar
Possessive’s
We use apostrophe s (’s), also called possessive ’s, as a determiner to show that something belongs to someone or something:…Possessives withof
We can talk about possession using the pattern: noun phrase + of + possessive pronoun:…’sorofor either?
There are some general rules about when to use ’s and when to use of but there are many cases where both are possible:…Possession: typical errors
We don’t use ’s with plural nouns:…