or在否定句中表示举例并列。例句：I shook my head helplessly, unsure of what to do or say.比如肯定句是I like apples and pears.对应的否定句是I don't like apple or pears.

or在否定句中怎么用

or在否定句中表示举例并列。or通常用于否定句表示“和，与”之意。

1、They sang and danced.

他们既唱歌又跳舞(即载歌载舞)。

2、They didn’t sing or dance.

or的否定句例句

The girl was uncertain what to do, or what tone of voice to adopt.

女孩不知道该做什么，也不知道该用什么口气说。

The poor child never cried or protested when I was dressing her wounds.

我给这个可怜的孩子包扎伤口时，她不哭也不闹。

Their mood was captured by one who said, 'Students here don't know or care about campus issues.'

一个人的话道出了他们的心情，“这儿的学生既不了解也不关心校园问题。”

Schools should not compete with each other or attempt to poach pupils.

学校之间不应该相互竞争，也不应该企图挖走彼此的学生。