late 14c., comparative of out (on analogy of inner), replacing by 18c. forms descended from Old English uttera (comp. of Old English ut "out") which developed into utter and was no longer felt as connected with out. Outer space first attested 1901 in writings of H.G. Wells.
权威例句
1. There is room for infill between the new outer suburbs.
在新建的远郊住宅区之间还有空地可以盖房。
2. In 1957, the Soviets launched Sputnik 1 into outer space.
1957年,苏联人将“斯普特尼克1号”人造卫星送入了外层空间。
3. Taper the shape of your eyebrows towards the outer corners.
把你的眉毛修剪成越往外眼角越细的月牙形。
4. The outer walls looked likely to tumble down in a stiff wind.
外墙看起来一刮强风就会倒塌。
5. They have been visited by creatures from outer space.