capsule|capsules

宇航员们安全地乘坐太空舱返回地球。

The astronauts returned to Earth safely in a space ___capsule.

航天器的返回舱安全降落在预定区域。

The spacecraft's ___capsules landed safely in the designated area.

这些植物的种子被包裹在小小的荚果里。

The seeds of these plants are enclosed in small ___capsules.