不安全空间

safe space───安全空间

safe spaces───安全空间

usable space───可用空间

garage space───停车场

life space───生活空间

unsafe sex───危险性行为

unsafe sexes───危险性行为

garage spaces───车库空间

storage space───[建]贮存面积，存储空间；贮藏室

NASA would only take such action if the Discovery were so damaged that it couldn't be repaired while docked at the space station, and if it were unsafe for the astronauts to return in it.───如果在空间站停泊的时候发现不可修复的损坏或者是对于宇航员返回是不稳定的，NASA会采取一些行动。