at the sight of 和AT SIGHT OF的区别?

问题描述:

at the sight of 和AT SIGHT OF的区别?

at the sight of
意思是:一看见……就……
例如:
He ran away at the sight of a policeman.
他一看见警察就逃走了.
没有at sight of .
可以说 in (within)sight of
意思是:在看得见……之处