| 词组 | all at once |
| 释义 | all at onceadv. phr.1At the same time; together. 同时；一起。◆ The teacher told the children to talk one at a time; if they all talked at one time, she could not understand them.老师叫孩子们每次一个人讲；如果他们一起讲，她就听不懂他们的话了。◆ Bill can play the piano, sing, and lead his orchestra all at once.比尔可以同时弹钢琴、唱歌并指挥他的管弦乐队。2or或all of a sudden Without warning; abruptly; suddenly; unexpectedly. 突然，忽然。◆ All at once we heard a shot and the soldier fell to the ground.突然我们听到一声枪响，接着那个士兵就倒在了地上。 |
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