月球、火星、金星、两个小行星、甚至连土星的卫星之一都已接受过登陆飞船的光顾。
The moon, Mars, Venus, two asteroids and even one of the moons of Saturn have all received the attentions of landing craft.
水星、金星、地球和火星通常被称为陆地行星。
Mercury, Venus, Earth, and Mars are sometimes called the terrestrial planets.
1975年6月- 10月，俄罗斯金星9号探测器第一个绕金星轨道运行，着陆，拍摄的航天器。
From June to October 1975, Russian space probe Venera 9 became the first craft to orbit, land on, and photograph Venus.
应用推荐