apostrophe
noun [ C ] uk/əˈpɒs.trə.fi/ us/əˈpɑː.strə.fi/
B2 （表示省略或加在字母s前后表示所有格的）撇号，省字符，省略符号（’）
the symbol ’ used in writing to show when a letter or a number has been left out, as in I'm (= I am) or '85 (= 1985), or that is used before or after s to show possession, as in Helen's house or babies' hands
"It's" with an apostrophe means "it is" or "it has". 带有省字符号（‘）的“it's”表示“it is”或“it has”。
（用于字母s前表示数字或字母的复数形式）
sometimes used before s to show the plural of a number or a letter
There are two p's in "supper". Supper这个单词里有两个字母p。
- More examples
- We spent Christmas Day with Ben's parents.
- This book is the fruit of 15 years' research.
- Simon has a clear-sighted vision of the company's future.
- Our neighbour's baby cries morning, noon and night.
- I'm sure my views on marriage are coloured by my parents' divorce.