With the crew aboard the International Space Station packing up Endeavour for its return flight to Earth, several astronauts reflected on life in zero-G.
奋进号上的人员和国际空间站的所有人一起检查并确保其返回地球的飞行，几个宇航员对零重力生活有了体验。
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The Redhawk Power Station, in Southwest, USA uses tertiary wastewater as its water feedstock and reclaims all liquid wastes with a zero liquid discharge system.
美国西南部的红鹰电厂利用本区域里的废水作为其给水源，并且利用零液体排放系统回收所有的废液。
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A Japanese astronaut plans to throw a boomerang inside a space station. He wants to test how it can fly in zero gravity, an official said.