alarm clock - n. a clock that can be set to sound an alarm at any desired time

garage - n. a building or part of a building in which a car, truck, etc., is kept

mission – n. a flight by an aircraft or spacecraft to perform a specific task

orbit - v. to travel around (something, such as a planet or moon) in a curved path : to make an orbit around (something)

classified - adj. kept secret from all but a few people in the government
 2/3   首页 上一页 1 2 3 下一页 尾页