释义 |
●at ˈonce1. immediately 立即;马上◆I’m afraid there’s a problem. I must ask you to leave the building at once. 恐怕出事了,我得请你马上离开大楼。2. at the same time 同时◆Don’t all speak at once! 大家不要同时讲!◆I’m not superwoman, you know. I can’t do a hundred things at once. 我可不是女超人,没法同时做那么多件事情。 |