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| 1. | Surfactants are classified chemically according to their hydrophilic（亲水的） group as anionic,（阴离子的） cationic |
| 表面活性剂以化学的结构来分类是按照他们的亲水基分成阴离子型的，阳离子型的，非离子型的或者两性的。 |
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| 2. | Drift apart |
| 被水隔离，漂离 |
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| 3. | Good and bad cannot be kept apart . |
| 好坏不分离。 |
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| 4. | tear apart; rip apart |
| 拆开;撕裂 |
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| 5. | Why are we so far apart? |
| 为什么我们离得远了 |
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| 6. | None o this knowledge can be acquired apart from activity in production. |
| 离开了生产活动就不可能获得任何这种知识。 |
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| 7. | The airport stands far apart from the city. |
| 机场离城很远。 |
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| 8. | The boys stood apart from us making their faces to us now and then. |
| 孩子们离我们很远，不时地向我们做着鬼脸。 |
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| 9. | Our boats drifted apart when the storm came |
| 暴风雨来临时，我们的船只都漂离开了。 |
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| 10. | far apart; poles apart |
| 天南地北 |
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