When he condescended to speak, he contradicted himself three or four times in the space of half an hour.
当他屈尊讲话时,半小时内有三四次前后矛盾。
His space flight lasted one hour and forty-eight minutes.
VOA: special.2009.06.17
During the two-and-a-half hour moon walk, the astronauts frolicked in the weightlessness of outer space and planted an American flag in the lunar surface.
VOA: standard.2009.07.16
"They are all hurtling around in space at 36,000 kilometers per hour and so even a 1mm piece of space junk can destroy or damage a satellite because it all comes from either dead satellites, satellites which have broken up, satellites which had fuel left in them and exploded."
VOA: standard.2010.07.24
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