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Flying Machines
飞行机器
Drones are machines that we can control from the ground.
无人机是我们可以从地面控制的机器。
They fly, but they don't have pilots.
它们可以飞，且无需飞行员。
They can carry cameras or other things.
可以携带相机或其他东西。
In some places, drones have important jobs!
在一些地方，无人机有重要的任务！
In Rwanda, there are many hills and mountains.
在卢旺达，有许多丘陵和山脉。
It takes a long time to travel between villages by car, so doctors use drones to get medicine or blood quickly.
开车在村庄之间穿行需要很长时间，所以医生们会用无人机来快速获取药物或血液。
They send a text to people in a medical center in the middle of the country.
医生们会给国家中部的医疗中心的人发短信。
The people then prepare a box with the medicine to put on a drone, and it flies to the doctors.
然后人们会准备一个装有药物的箱子，放在无人机上，随后无人机就会飞到医生那里。
The drone uses satellites to fly to the right place.
无人机是利用卫星飞到正确的地点。
It drops the box and it flies back.
它会把药箱投放到地面，然后再飞回来。
Drones can help wild animals, too.
无人机也可以帮助野生动物。
In Borneo, scientists want to help and protect orangutans.
在婆罗洲，科学家们想要帮助和保护猩猩。
They need to study their nests, but the orangutans build them at the top of tall trees.
科学家们需要研究猩猩的巢穴，可猩猩会把巢穴建在高大的树顶。
They're difficult to find, so the scientists use drones to fly over the forests and take photos.
很难找到，所以科学家们会使用无人机飞越森林并拍照。
Will there be more drones in the future? What will they do?
未来会有更多的无人机吗？它们会用来做什么呢？
