trsl.It may even be possible to drop a capsule containing sc
trsl.
It may even be possible to drop a capsule containing scientific instruments on to the planet's surface.Only when a great deal more information has been obtained,will it be possible to plan a manned trip to Mars.
It may even be possible to drop a capsule containing scientific instruments on to the planet's surface.Only when a great deal more information has been obtained,will it be possible to plan a manned trip to Mars.
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你能帮帮他们吗