at once
英 [æt wʌns]
美 [æt wʌns]
adv.立即； 一起； 同时； 立刻
立即；
立刻；
马上；
即刻
1.There was absolute mayhem when everyone tried to get out at once.\x05
众人蜂拥而出,造成了极大的混乱.
来自《权威词典》
2.How dare you?Take your hand off me at once.\x05
放肆!马上把你的手挪开.
来自《简明英汉词典》
3.The major ordered his men to fall in at once.\x05
少校命令他的士兵立即集合.
来自《简明英汉词典》
4.As regards John,I will write to him at once.\x05
至于约翰,我会立即给他去信.
来自《简明英汉词典》
5.He explained that he had to leave at once.\x05
他解释说他必须立即离开.
