VOA慢速英语:Robot Can Help With Farm Work

prototype ­– n. a model of something

radio frequency sensors – n. electronic devices on an item that stores information and gives it to a person or computer

orchard – n. a group of trees where food, like fruit or nuts, are grown

automatically – adv. something that works or happens without being directly controlled by a person

precisely – adv. very accurate and exact

advance – n. before something happens

accurate – adj. free from mistakes or errors

anticipate – v. to think of something that will or might happen in the future

pickup truck– n. a vehicle with an open back and low sides