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They collected more than thirty kilograms of rock and soil to take back to Earth.
VOA: special.2009.07.15
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Yeah, I got into rock climbing back in university, and I've been doing it ever since,
是，我上大学的时候开始攀岩，以后一直都攀，
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Yeah, I got into rock climbing back in university, and I've been doing it ever since,
是，我上大学的时候开始攀岩，以后一直都攀，
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