1. 哪些行星可以维持生命的存在?
Which planets can sustain life?

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2. 在我外出期间,维持现状就行。
Just keep things ticking over while I'm away.

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3. 有些教师觉得难以维持课堂秩序。
Some teachers find it difficult to keep their classes in order.

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4. 他们的首要目标是维持低成本。
Their overriding aim was to keep costs low.

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5. 英国军队被派遣协助维持和平。
British forces have been assigned to help with peacekeeping.

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6. 现今很少有人能够把友谊维持到成年。
Few people nowadays are able to maintain friendships into adulthood.

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7. 军队被调进首都维持治安。
The army has been sent in to maintain order in the capital.

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8. 进行周期性检查以确保高标准得以维持
Periodic checks are taken to ensure that high standards are maintained.

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9. 政府努力维持治安。
The government struggled to maintain law and order.

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10. 她病情危急,靠机器来维持生命。
She's critically ill, on life support.

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11. 我仍然有时做女招待来维持生活。
I was still working on and off as a waitress to support myself.

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12. 这家工厂不能维持目前的生产水平。
The factory cannot continue its current level of production.

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13. 维持良好的工作关系非常重要。
It's important to nurture a good working relationship.

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14. 我们的钱不足以维持到下个月。
We don't have enough money to last until next month.

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15. 我只有20元来维持我这一周了。
I only have $20 to see me through the week.

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16. 上诉法院维持对上诉人的定罪。
The Court of Appeal upheld the appellants' convictions.

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17. 必须有出口,才能维持我们的经济。
Exporting is necessary for our economic survival.

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18. 我们现在靠社会保障金维持生活。
We're living on the social now.

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19. 他靠一天几美元勉强维持着生计。
He was eking out an existence on a few dollars a day.

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20. 她靠做自由撰稿记者来维持生计。
She earns her living as a freelance journalist.

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21. 他们靠他挣的那点钱无法维持生活。
They can't exist on the money he's earning.

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22. 他处于昏迷中,靠呼吸机维持生命。
He is in a coma and on a life-support machine.

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23. 据我所知,它仅维持了几年。
It only lasted a couple of years, as far as I know.

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24. 他们在街头演奏音乐,勉强维持生活。
They scraped a living by playing music on the streets.

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25. 这个地区靠航运业维持生活。
The community depends on the shipping industry for its survival.

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26. 大工厂试图通过减少开支以维持生存。
The big factories are trying to stay alive by cutting costs.

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27. 它几乎自古以来都维持不变。
It has remained virtually unchanged since time immemorial.

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28. 在特护期间给他使用了生命维持设备。
He was put on a life-support machine in intensive care.

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29. 既要花力气又要有心计才能维持生存。
It took energy and cunning just to survive.

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30. 他越来越难以靠他的工资维持生计了。
It was becoming more and more difficult to live on his salary.

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