A company plans to develop a prototype weeding machine that uses cutting blades with optical sensors and microprocessors that distinguish weeds from crop plants by differences in shade of color.
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15. 我必须喂鸡，还得给土豆除草松土。
I have to feed the chickens and hoe the potatoes.
《柯林斯英汉双解大词典》
16. 迄今为止，我全部的园艺经验就是给花圃徒劳地除草。
To date, the sum of my gardening experience had been futile efforts to rid the flower beds of grass.
《柯林斯英汉双解大词典》
17. 她妈妈正在用割草机除草。
Her mom is cutting grass with a lawnmower (割草机).
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18. 我要去花园里给你的花圃除草。
I'm going to the garden to weed your flowerbed.
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19. 我懒得清扫落叶，也从不除草，任其迅速生长。
I was too lazy to sweep the fallen leaves, and I never pluck grass, allowing it to grow rapidly.
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20. 割草机式父母就像割草机除草那样，为孩子扫清所有的困难。
Like a lawnmower that cuts grass, lawnmower parents (割草机式父母) get rid of (去除) all difficulties for their children.
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21. 友希来这里的两个星期里，有很多时间都在花园里除草。
Yuki had spent many hours of her two-week visit weeding in the garden.
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22. 在我们进行下一步并开始除草之前，我们花了一些时间思考它建在哪里效果最好。
Before we went ahead and dug up the grass, we spent some time thinking about where it would work best.
The Washington Post reported, one of the main reasons, experts say, is that farmers have used herbicides on the milkweed plants that these butterflies feed on.
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24. 除草剂可能会破坏湖泊中某些稀有植物的种群。
The herbicide might damage populations of certain rare plant species that the lake contains.
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25. 因为雨后他们有许多除草的事要做，所以他们去干活了。
As they had a good deal of weeding to do after the rains they fell to work.
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26. 所有的食物都可以有机种植，不需要除草剂、杀虫剂和化肥。
All the food could be grown organically, eliminating the need for herbicides, pesticides and fertilisers.
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27. 除草剂的使用和集约型农业使得现在小麦和大麦麦田里几乎没有杂草。
The use of herbicides and intensive forms of agriculture means that fields of wheat and barley now have few weeds.
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28. 另一方面，人造除草剂虽然不再持久，但可以在作物生长时重新使用。
Synthetic herbicides, on the other hand, although not any longer lasting, can be reapplied as the crop grows.
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29. 该机器的发明者声称，它将减少人工除草的需要，从而降低劳动力成本。
The inventor of the machine claims that it will reduce labor costs by virtually eliminating the need for manual weeding.
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30. 对农民来说至关重要的是，他们用来控制杂草的除草剂不能损害他们的庄稼。
It is crucially important to farmers that the herbicides they use to control weeds not damage their crops.
