正文
Storm-Chasing Drones Help Fight Extreme Weather
drone – n. an unmanned aircraft or ship guided by remote control
typhoon – n. an extremely large, powerful and destructive storm
archipelago – n. a group of islands
survey – v. to look carefully and completely at something
sensor – n. a device that detects or senses heat, light, motion, etc.
efficient – adj. producing desired results without wasting materials, time or energy
prototype – n. a first test model of something that is then developed and copied
cloud seeding – n. when various substances are put into clouds in an attempt to cause rain
concentrate – v. to focus one’s attention or mental effort on a particular object or activity
counterpart – n. Something having the same function or characteristics as another
analyze – v. to study something closely or carefully
assessment – n. the act of making a judgment about something
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