慢速英语:美国宇航局在成功试飞后扩大火星直升机任务
日期:2021-05-10
Words in This Story
mission – n. an important project or trip, especially involving space travel
bonus – n. an extra thing added to something you were expecting
blade – n. an arm of a propeller that spins to lift an aircraft off the ground
finite – adj. having a limit or end
2/2 首页 上一页 1 2