VOA慢速英语:清华大学教授造出机器人帮助医生抗击新冠病毒

contagious – adj. capable of being easily spread to others

task – n. a piece of work for someone to do

ultrasound – n. a medical test that allows them to see inside their uterus

remotely – adv. from a distance

convert – v. to change the appearance, form, or purpose of something

automate – v. to control something using machines and not people

commercialize – v. to organize something to make a profit