稀有元素地球化学

Rare but Deadly

发表于:2018-12-19 / 阅读(184) / 评论(0)

彭蒙惠英语

【趣谈英语】鲨鱼袭击很罕见-Shark Attacks Are Rare

Pre-Listening Vocabulary rare: not common irrational: not reasonable classified: grouped by like qualities provoke: to excite or bother a living thing and cause a reaction initiate: to be the one to start something delicacy: a type of food that is ra

发表于:2018-12-28 / 阅读(95) / 评论(0)

趣谈英语

CNN 2012-03-16

Wanted to slice out little time,we wish everyone a happy pie day on this March 14th.413 Ok.let's go ahead to get today's headlines. Two primaries two caucuses,110 delegates,that's what was the stake yesterday in the race for the Republican presidenti

发表于:2019-01-08 / 阅读(155) / 评论(0)

CNN2012年(三)月

VOA慢速英语2010年-Economics Report - China-Japan Dispute

This is the VOA Special English Economics Report. Few people had ever heard of the natural elements known as rare earth metals before a recent dispute between China and Japan. Yet these metals are used in devices like smartphones, flat screens, hybri

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2010年VOA慢速英语(十)月

美国国家公共电台 NPR Prion Test For Rare, Fatal Brain Disease Helps Families Cope

RACHEL MARTIN, HOST: Scientists have developed a better test for a very rare brain disease. And as NPR's Rae Ellen Bichell reports, this test could lead to new ways to diagnose more common diseases like Parkinson's and Alzheimer's. RAE ELLEN BICHELL,

发表于:2019-01-16 / 阅读(141) / 评论(0)

2017年NPR美国国家公共电台2月

China's rare earth policy justified: spokesman

BEIJING, March 15 (Xinhua) -- China's restrictions on rare earth exports are justified and are in line with World Trade Organization rules, Shen Danyang, spokesman for the Ministry of Commerce, said Thursday. The policy aims to protect resources and

发表于:2019-02-08 / 阅读(132) / 评论(0)

英语新闻

英文摇滚歌曲：Ancient Bards - Four Magic Elements

[Storyteller] The journey began The fearless heroes left Heading for a place Far oh far away They had to warn Alron The prince of the North Of the terrible danger That threatened all the lands He holds the secrets Of the black magic His weapon is The

发表于:2019-02-11 / 阅读(157) / 评论(0)

英文摇滚歌曲

加州英语分级G5 Discovering the Elements 11

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加州英语分级G5

加州英语分级G5 Discovering the Elements 12

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加州英语分级G5

加州英语分级G5 Discovering the Elements 10

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加州英语分级G5

加州英语分级G5 Discovering the Elements 09

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加州英语分级G5

加州英语分级G5 Discovering the Elements 08

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加州英语分级G5

加州英语分级G5 Discovering the Elements 07

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加州英语分级G5

加州英语分级G5 Discovering the Elements 06

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加州英语分级G5

加州英语分级G5 Discovering the Elements 05

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加州英语分级G5

加州英语分级G5 Discovering the Elements 04

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加州英语分级G5

加州英语分级G5 Discovering the Elements 03

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加州英语分级G5

加州英语分级G5 Discovering the Elements 02

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加州英语分级G5

加州英语分级G5 Discovering the Elements 01

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发表于:2019-02-19 / 阅读(206) / 评论(0)

加州英语分级G5

CCTV9英语新闻：Rare tiger cubs born at Czech zoo

Two extremely rare Bengal white tiger cubs have been born at the wildlife center of the Czech Republic's Liberec Zoo, and are proving popular with visitors. These tiger cubs weigh 6 kilos 13 pounds, and were born two months ago. White tigers are the

发表于:2019-03-12 / 阅读(215) / 评论(0)

cctv9英语新闻2016年

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学英语单词

(luminescence) emission spectrum

all funds-combined balance sheet

bearing plummer block unit

bedews

bulk specific gravity