我们都知道as soon as的意思是：一…就…
它的意思相当于：
instantly…
= the second
the minute
the moment
the instant…
下面我们通过几个例句来看看详细的用法
He came around to see me as soon as / the moment/ immediately he checked in the hotel.
他刚一入住宾馆就来看我.
They informed us the news immediately / directly they got it.
他们一得到消息就通知了我们.
The policeman came to the spot the moment / the instant / the minute she heard of the accident.
一听说事故,这位警察就到了现场.