From mimicking a volcanic eruption to mirrors in space, some geoengineering schemes are pretty far out there.
从模拟火山爆发到在天空中安放反射镜，一些地球工程方案真是非常“离谱”。
But the idea that countries would fight it out in space has so far been confined to science fiction.
不过，各国可以在太空作战的想法至今为止还仅限于科幻小说。
Rockets can fly far out into space. Rockets have already taken men to the moon. One day they may be able to go anywhere in space.
火箭能够飞出地球进入太空。火箭已经载人到了月球。会有那么一天，它们也许能够进入太空的任何地方。
There is a far-away space. It stretches out in all directions beyond the earth.
有一个遥远的空间，向地球以外的四面八方伸延开去。
There is a far-away space. It stretches out in all directions beyond the earth.
有一个遥远的空间，向地球以外的四面八方伸延开去。
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