To survive for years in space, astronauts may need to bring along miniature ecosystems that provide necessities such as oxygen and food.

为了长年在太空生活，宇航员必须携带微型的生态系统，从而提供包括氧气和食物在内的生活必需品。

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More speculatively, it could make long-distance space travel more feasible by slowing down ageing and reducing the consumption of oxygen and food.

理论上，它还能通过延缓衰老和降低氧气与食物消耗来实现长距离和空间的旅行。

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For example, plants provide oxygen and food to creatures and at the same time assimilate their excretions as nourishment, resulting in both flourishing.

例如，植物为动物提供所需要的氧气和食物，同时吸取动物的排泄为养料，使二者得以蓬勃发展。

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It carried oxygen,water, electricity and food for two men for two days on the moon's surface.

VOA: special.2009.07.22

The list is long. There are temporary shelters, ropes,oxygen bottles,clothing, sleeping bags,food...and bodies!

VOA: special.2011.05.10

She was getting oxygen and food through tubes.

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Some of the data it gathered about the abundance of phytoplankton - plant-like organisms that convert carbon dioxide into oxygen and provide food for other sea life - could already be monitored by satellite.

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It provided them with oxygen, food and water, as well as communication.

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