否定句中and和or的用法区别

例句：

The room was dim and cool and quiet.

这房间昏暗、阴冷且安静。

Sara and I read the story and marvelled.

我和萨拉读了这个故事后惊叹不已。

She is devious and sly and manipulative.

她阴险、狡诈，而且爱操纵他人。

They marched out singly or in pairs.

他们一个一个地或成双成对地走出去。

All rooms have a balcony or terrace.

所有的`房间都有阳台或露台。

He may have been choked or poisoned.

他可能是被掐死或毒死的。