outer space

1. N-UNCOUNT Outer space is the area outside the Earth's atmosphere where the other planets and stars are situated. 外層空間

In 1957, the Soviets launched Sputnik 1 into outer space. 1957年，囌聯(lián)人將“人造衛(wèi)星1號(hào)”發(fā)射到外太空。