顺便说一下，当地联合属于国家收获公司。这也就是他们被装载卫星定位仪器的原因。
By the way, local combines belong to the state harvesting company and that's why are equipped with GPS devices.
另一件事是，在一些国家，生物燃料作物的种植和收获方式仍然会产生大量的污染——这些污染对大气造成真正的破坏。
The other thing is that in some countries, the way that biofuel crops are grown and harvested still produces a great deal of pollution—really damaging to the atmosphere.
在青年科学夏令营中，我们和其他国家的学生合作制作机器人，不仅获得了知识，还收获了友谊。
We worked in cooperation with students from other countries in making robots in the youth science summer camp, gaining not only knowledge but also friendship.
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