He adapted the closed-loop system that allows astronauts to re-use shower water again and again.

他采用了闭环系统, 允许宇航员重复使用淋浴水源。

May he be like rain falling on a mown field, like showers watering the earth.

他必降临，像雨降在已割的草地上，如甘霖滋润田地。

We had about 10 minutes of shower water per crew member per week and we were working out.

我们每个船员每周有大约 10 分钟的淋浴水，我们正在锻炼。