近九个月前，雷石东将其媒体帝国一分为二，唐思腾先生随即出任维亚康姆的老板。唐思腾缔造了MTV在全球的辉煌，是一位令人崇敬的传媒高管。
It is barely nine months since Mr Freston, a hugely respected media executive who presided over the global success of MTV, became boss of Viacom when Mr Redstone split his empire in two.
橄榄石是一种镁铁硅酸盐，普遍存在于宇宙之中——远之星系，近之彗星。当然，珠宝店也不例外，其宝石级原石被称为贵橄榄石（peridot）。
Olivine is a magnesium iron silicate that exists throughout the universe — in distant galaxies and local comets — as well as in earthly jewelry stores, in a pristine, gem-quality form called peridot.
然而，自阿波罗宇航员将第一块月亮石带回地球后近40年的时间里，这些月亮的碎片一直被科学家们提供另外一个世界的秘密。
Yet nearly 40 years after the Apollo astronauts brought the first rocks back to Earth, these pieces of the Moon are still providing scientists with new secrets from another world.
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