我要下降时，就用一把刀捅破一些气球，或者割掉绳子放飞它们。要上升时，就扔掉一部分用来压重的水。

I descended by popping balloons with a knife or cutting them free, and climbed by throwing off some of my ballast water.

youdao

派蒂：我要先喝一些水。

Patty: I need some water first.

youdao

我认为我们要尝试着改变我们的一些习惯去节约每一滴水。

I think we'll try and change our habits to save every drop of water for future use.

youdao