“人造卫星”的英语表达是 “artificial satellite” ,也可简称为 “satellite”(不过“satellite”含义更宽泛,在特定语境需结合上下文判断是否特指“人造卫星” )。
例句:
The first artificial satellite was launched into space in 1957.(第一颗人造卫星于1957年被发射升空。)
Scientists are constantly monitoring the movements of artificial satellites in orbit.(科学家们一直在持续监测轨道上人造卫星的运行情况 。)