宇宙飞船在星云中穿梭。

The ___spaceship travels through the nebula.

这艘宇宙飞船可以容纳六名宇航员。

The ___spaceship can carry six astronauts.

科幻小说里经常出现能瞬间穿越银河系的宇宙飞船。

Science fiction often features ___spaceships that can travel across galaxies in an instant.