VOA慢速英语:Flying Robots Are Coming to US Universities

短语讲解：

1. Because of this increase, several U.S. universities and colleges started offering degrees in unmanned aerial systems, or UAS.

because of 因为，由于
例句：He is feeling wretched today because of the rain.
因为下雨，他今天情绪很不好。

2. Drones can be used to invade people's privacy.

be used to 习惯于，适用于
例句：The knife can be used to cut meat.
刀能用来切肉。

3. Changing current rules may also present problems for students looking for drone-pilot experience.

look for （某人或某物） 寻找
例句：She acts as though she plans to look for another job.
她表现出象是打算另找工作的样子。

4. In Seattle, University of Washington student Alec Bueing showed off the place where his department tests the drones.

show off 使突出; 炫耀
例句：His show off only serves to show up his ignorance.
他的卖弄只不过暴露了他自己的无知。

5. "It's just a [big] room that we move the tables and chairs out of. ... If it happens to get out of control toward the windows we [reduce] any damage," he explained.

get out of 摆脱; 逃避
例句：It is easier to get into debt than to get out of debt.
负债容易还难。