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Rebecca949 发表于 2015-6-11 16:25

VOA慢速英语2015.06.11

[audio]http://sound.yywz123.com/tingbbs/voa/voa20150611.mp3[/audio]



It used to be mostly the military that used small, unpiloted aircraft, called "drones." The little planes were very costly. But as they have dropped in price more people have begun to use them. Rescue workers and farmers are among the new users. A company in France is using drones to help farmers examine their crops and limit the amount of fertilizer they use._______________________从前军事上最使用的一种小型的,无人驾驶的"无人飞机".这种小型飞机很昂贵.但是随着价格的下降,越来越多的人开始使用这种飞机.抢救工人和农民是该产品的新使用者.在法国,一家公司用无人机帮助农民检测他们的庄稼,限制肥料使用的数量.________________________




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943490638 发表于 2015-6-13 19:20

多谢分享

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