The Strategic Petroleum Reserve or the SPR is the world's largest emergency storage of oil.

美国战略石油储备（SPR）的应急储油量居世界首位。

This is an emergency storage facility for seeds -- more than 500 million of them from all around the world.

这是一个种子应急储存设施——其中超过 5 亿颗种子来自世界各地。

Still, some oxygen must  arrive from Earth in tanks, not only for emergency storage, but also for use in spacesuits.

尽管如此，一些氧气必须从地球运到罐中，不仅用于紧急储存，还用于宇航服。