VOA慢速英语:New Drones Could Improve Weather Predictions

drone – n. a plane or other vehicle that flies and does not have a pilot in it

meteorologist – n. a scientist who studies the atmosphere and weather

forecast – n. a statement about what you think is going to happen in the future

accurate – adj. free from mistakes or error

altitude – n. the height of something (such as an airplane) above the level of the sea

dynamic – adj. always active or changing

dawn – n. the time of day when sunlight first begins to appear

dusk – n. the time when day changes into night and the sky begins to get darker

sparse – adj. present only in small amounts; less than necessary or normal

data point – n. facts or information used usually to calculate, analyze or plan something (usage note: data is plural in form but is used with both plural and singular verbs)

hover – v. to float in the air without moving in any direction

scope – n. the area that is included in or dealt with by something

capability – n. the ability to do something

augment – v. to add something to (something) in order to improve or complete it