英文句子缩写,比如：Let us=Let's he is=he's he has=he's he have=he've we will=we'll we would=we'd h
比如：Let us=Let's
he is=he's he has=he's he have=he've we will=we'll we would=we'd he had=he'd
what is=what's he was=he's
where is=where's .
写全点,但真实.