| environ. | 人造卫星 | artificial satellite Any man-made object placed in a near-periodic orbit in which it moves mainly under the gravitational influence of one celestial body, such as the earth, sun, another planet, or a planet's moon (任何放置在接近周期性轨道的人工物体，主要依靠某个天体的重力进行运动，比如地球，太阳，其他星球，以及某个星球的卫星。) |
