[化] 单管压力计

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

发表于:2018-12-08 / 阅读(38) / 评论(0) 分类 2018年VOA慢速英语(十一)月

NB: This is not a word for word transcript Yvonne: Hello, I'm Yvonne Archer, this is 6 Minute English and thanks to Alice for joining me today. Alice: Hi Yvonne. Yvonne: Hello Alice. Now recently, an artefact - a very old piece of art - which many hi

发表于:2019-01-07 / 阅读(75) / 评论(0) 分类 六分钟英语

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

发表于:2019-01-17 / 阅读(68) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Single Girls Laura Jansen I think you'd like my new hair I cut it when you weren't there that pieces of us everywhere were falling down My bed is now a girl's bed Pink flowers under my head and pillows on your side instead of you Cause that's what si

发表于:2019-02-08 / 阅读(61) / 评论(0) 分类 好听的英文歌曲

Science and technology 科学技术 Measurement 测量 Mass effect 质量效应 A better way to clean the world's one true kilogram 清洁世界上真正一千克的更好方法 IN SEVRES, on the outskirts of Paris, sealed beneath a triplet of bell j

发表于:2019-02-24 / 阅读(86) / 评论(0) 分类 经济学人科技系列

[00:02.32]- Really? - Yeah. Its true. -真的吗? -真的 [00:04.80]Just here in town for a couple of days seein where the Big Ones come from. 我只是在这儿出差 调研大块头的原料地 [00:09.32]- Here? - Oh, no, not here. -这里? -噢 不是

发表于:2019-03-16 / 阅读(271) / 评论(0) 分类 听电影学英语-快餐帝国
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