1. | Twice two is four . |
| 二二得四。
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2. | Four threes are twelve. |
| 四乘三等于十二。
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3. | She aborted after four months. |
| 她怀孕四个月后流产了。
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4. | He promised to be here at four o'clock but didn't appear until six. |
| 他答应四点钟来,可是六点钟才到。
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5. | The score was four all. |
| 比分是四平。
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6. | We encountered four enemy aircraft. |
| 我们遇到四架敌机。
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7. | The blackbird's nest contained four eggs. |
| 黑鹂巢里有四个蛋。
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8. | In America, presidential elections are held every four years. |
| 美国总统选举每四年举行一次。
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9. | I've been looking after four young children all day and I really am at the end of my tether! |
| 我整天都在照料四个小孩,确实已筋疲力尽了!
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10. | Her estate was divided between her four children. |
| 她的遗产分给了她的四个子女。
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