at once
US /ət wʌns/
UK /ət wʌns/
副词
1.
立刻, 马上
immediately; without delay
示例:
•
Please come here at once.
请立刻过来。
•
She recognized him at once.
她立刻认出了他。
2.
同时, 一下子
at the same time
示例:
•
You can't do two things at once.
你不能同时做两件事。
•
She was both happy and sad at once.
她同时感到高兴和悲伤。
在 Lingoland 学习这个单词