VOA慢速英语:Google Self-Driving Car Heading to Public Streets

prototype – n. an original or first model of something from which other forms are copied or developed

eliminate – v. to remove (something that is not wanted or needed)

error – n. something that is not correct; a wrong action or statement; a mistake

autonomous – adj. existing or acting separately from other things or people; independent

adapt – v. to change your behavior so that it is easier to live in a particular place or situation