粉尘危害应急预案:at once, immediately 区别
来源:百度文库 编辑:神马品牌网 时间:2024/10/06 16:03:55
at once 可以表示“同时”的意思,immediately则没有。
same points:quickly ,suddenly.but immediately has another meaning ,it means "the moment ",while at once has no this meaning.
相比之下,at once 含有突然,骤然,立即,马上的意思
而immediately只有立即马上的意思。