For fifty-three years he was married; now he doesn't even have someone to turn on the light for.
他结婚已经有五十三年了，可现在，他连一个为他开灯的人也没有。
Fifty years ago Louis Leakey sent her to study chimpanzees because he thought their behavior might cast light on human ancestors, his chosen subject.
50年前，路易斯·李基派珍·古道尔去研究黑猩猩，因为他觉得这些灵长类的行为可能有助于阐明人类的祖先，这是他选择的课题。
The light was information from a star, and it could burn your skin from a hundred and fifty million kilometres away.
那光是来自一颗恒星的信息，它能够在一亿五千万公里外烧灼你的皮肤。
Fifty years ago, the chance of a baby (particularly a boy baby) surviving depended on its weight. A kilogram too light or too heavy meant almost certain death.
五十年前，婴儿(特别是男婴)存活的关键取决于体重，轻一公斤或重一公斤都意味着必死无疑。
It also travels at the speed of light - two hundred ninety-nine million seven hundred ninety-two thousand four hundred fifty-eight meters each second.
它同样是以光的速度传播，即每秒钟二亿九千九百七十九万二千四百五十八米(每秒约30万公里)。
All these fifty years of conscious brooding have brought me no nearer to the answer to the question, 'what are light quanta?
整整五十年的自觉思考没有使我更接近于解答‘光量子是什么’这个问题。
Autodata Corporation says fifty-three percent of new cars and light trucks sold in the United States in the first ten months of this year were imported.
汽车数据公司说，今年前10个月美国境内销售的新(小)汽车以及轻卡的53%来自进口。
Autodata Corporation says fifty-three percent of new cars and light trucks sold in the United States in the first ten months of this year were imported.
汽车数据公司说，今年前10个月美国境内销售的新(小)汽车以及轻卡的53%来自进口。
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