spacecraft是可数的，单复数同形

n.航天器;宇宙飞船

复数： spacecraft

相关介绍

例句：

only half of the spacecraft's six science instruments are still in working order.

这艘宇宙飞船的6件科学仪器中只有一半还在正常运转。

The spacecraft is set to throw new light on to a dark corner of the solar system.

这艘宇宙飞船可能会让人们对太阳系中的一个神秘角落有更新的认识。

In thirty years from now the United States should have a manned spacecraft on Mars.

未来30年内，美国有可能会把载人航天器送上火星。

The tiny rocket is attached to the spacecraft and is designed to propel it toward Mars.

小火箭捆绑在宇宙飞船上，用于推动飞船飞向火星。