as if是什么意思？

The house seemed muted, hushed as if it had been deserted.房子里似乎悄然无声，安静得好像已经没人在住一样。She could hear his ragged breathing, as if he had been running.她能听到他不均匀的呼吸声，似乎他是跑着过来的。He did not sound as if he believed her.他听起来似乎并不相信她。...

as if的音标：as if的英式发音音标为：[æz if]as if的美式发音音标为：[æz ɪf]...