轨道器和着陆器分离。

The orbiter and the lander separate.

着陆器降落在火星表面。

The lander lands on the surface of Mars.

着陆器丢弃保护罩和降落伞。

The lander discards the protective shield and the parachute.

不过飞行员成功地按时着陆了。

But the pilot succeeded in landing on time.

飞行员正在准备着陆。

The pilot is preparing to land.