Conversation A
对话A
Rob: My guest today is Frank Flight. He works with drones.
罗布：我们今天的来宾是弗兰克·弗莱特先生。他使用无人机工作。
Frank: It's great to meet you, Rob.
弗兰克：罗布，很高兴见到你。
Rob: Tell us about drones, Frank.
罗布：弗兰克，给我们讲讲无人机吧。
Frank: Drones are small helicopters or airplanes. But they don't have pilots in them.
弗兰克：无人机是一种小型的直升机或飞机。但是上面是没有飞行员的。
Rob: No pilots! Who flies the drone?
罗布：没有飞行员！那是谁驾驶无人机呢？
Frank: A person on the ground controls the drone.
弗兰克：地面上的一个人负责控制无人机。
Rob: Many people like drones.
罗布：许多人喜欢无人机。
Frank: Yes. Drones are lots of fun.
弗兰克：是的。无人机很有趣。

Conversation B
对话B
Rob: Tell me more about drones, Frank.
罗布：弗兰克，给我多说一说关于无人机的事情吧。
Frank: Drones often have cameras on them. A person on the ground can see through the camera.
弗兰克：无人机上面经常携带摄像头。地面上的人可以通过这个摄像头观看。
Rob: That sounds useful.
罗布：听起来很有用处。
Frank: Yes. Drones can see the world from high above.
弗兰克：是的。无人机可以从高空看世界。
Rob: Like a bird does!
罗布：就好像一只鸟一样！
Frank: Sure. But most drones can only fly for a little while.
弗兰克：没错。但是大多数无人机只能飞很短的时间。
Rob: Why?
罗布：为什么？
Frank: Because their batteries do not last very long.
弗兰克：因为他们的电池续航时间不会很长。

Conversation C
对话C
Rob: Frank, how long can a drone fly for?
罗布：弗兰克，一架无人机可以飞多长时间？
Frank: Well, most toy drones can fly for about 30 minutes.
弗兰克：恩，大多数玩具无人机可以飞大约30分钟。
Rob: Are there any better drones?
罗布：还有更好的无人机吗？
Frank: Oh, yes. The army and the police have amazing drones. They can fly for much longer.
弗兰克：是的。军队和警察有很棒的无人机。这些无人机可以飞更长时间。
Rob: Flying a drone sounds really fun.
罗布：控制一架无人机听起来很有趣。
Frank: Toy drones are not very expensive, and many stores sell them.
弗兰克：玩具无人机不是非常昂贵，许多商店都有售。
Rob: Maybe I'll buy one for myself.
罗布：可能我会给我自己买一架。