单词：duplicate of the kilogram
单词：duplicate of the kilogram 相关文章
For nearly 130 years, the worlds scientists have used a singular small, metal cylinder to define the exact weight of a kilogram. But that is about to change. The cylinder was made in 1889 of platinum and iridium metals. It is called the Grand K. The
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kill----------杀死 kilogram---公斤 kite---------风筝 kind--------种类
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[00:09.12]Jew John Denver join hands judgement [00:14.20]犹太人 约翰.丹佛 联手 判断 [00:19.28]Jules Verne Juliet justice [00:23.05]儒勒.凡尔纳 朱丽叶 公正；正义 [00:26.83]K [00:36.39]keep track of kilogramme=kilogram kindness
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DAVID GREENE, HOST: So every time you weigh something, whether it's coffee or bananas - I'm not sure what you're weighing - you might be doing it in pounds - well, whatever you're doing, you're unknowingly relying on a global system of measurement th
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（以M代表Mother，F代表Father，S代表Son） S: Oh, the queue is very long. F: We can check in at Business Class over there. M: Airports are sad places. F: Sometimes, I guess. But. we'll send e-mails and call you regularly. S: I will call you
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