| 单词 | since when |
| 释义 | since when since when1 → since when? at since(1) used in questions to show that you are very surprised or angry2 → by/since when at when(1) before or since which time3 → since when ...? at when(2) used to show that you are very surprised or angrysince when |
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初中学习网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。