| 单词 | once or twice |
| 释义 | 9.once or twice一两次；几次 She had been to London once or twice before.她以前去过伦敦一两次。 10.once upon a time<文>(in children's stories)从前；很久以前 Once upon a time there were three princes.很久很久以前, 有三位王子。 <口>(used nostalgically)(用于谈论已不存在的状况, 尤指过去的状况比现在的好)想当年 Once upon a time, I wanted to change the world.想当年, 我曾想改变这个世界。 See once |
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