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来源:雅诚德英语网
If we take the shuttle as an example of a near-Earth orbit, so we have the shuttle.
我们以航天飞机为例,在近地球轨道上,有一个航天飞机。
If we take the shuttle as an example of a near-Earth orbit, so we have the shuttle.
我们以航天飞机为例,在近地球轨道上,有一个航天飞机。