VOA慢速英语:美国公司将用无人机运输食品药品

delivery – n. the act of taking goods to a person or place

customer – n. a person who buys goods or services from a business

drone – n. an unmanned aircraft guided by computers or human operators from a distance

prescription – n. an order written by a doctor that says a patient can be given a medicine or treatment

app – n. a program for a smartphone or other electronic device that performs a special operation

park – v. to bring a vehicle to a halt and leave it

photo – n. short for photograph; an image or picture