VOA慢速英语:一艘新的宇宙飞船将前往太阳,拍摄太阳南北两极的第一张照片

mission – n. a task or job that someone is given to do

plane –n. an imaginary, flat surface

ideal – adj. the best possible

comprehensive – adj. including everything

cycle – n. a series of events that happen in a particular order and are often repeated

flip – v. turn something onto a different side

dramatically – adv. very sudden or notable