| 词汇 | 以前 |
| 释义 | 以前以前[yǐ qián]1.■before; formerly; prior to; previously:以前各版all the preceding editions;很久以前a long time ago;以前我没来过这里。I haven't been here before.这事发生在他到达以前。It happened prior to his arrival. |
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