慢速英语:阿波罗纪念日后 美国宇航局准备重返月球
日期:2019-08-03
Words in This Story
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enabler - n. something that makes something able to do something
capable - adj. able to do something : having the qualities or abilities that are needed to do something
install - v. to make (a machine, a service, etc.) ready to be used in a certain place
dynamics - n. the science that studies motion and the forces that cause or stop motion
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