VOA慢速英语:维珍超级高铁完成首次载人测试

levitation – n. making something rise into the air

propulsion – n. the force produced by a system for moving, or propelling, a vehicle or other object

exhilarating – adj. making you feel very excited and happy

mode – n. a way of doing something

CEO – n. abbreviation for chief executive officer: the person with the most important job in a company

envision – v. to imagine something happening

cargo – n. goods that are carried in a vehicle

emission – n. the act of producing or sending out something (such as energy or gas) from a source

certification – n. the process of earning an official document