氦保护

SSS 2008-03-28

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. One of the problems with large-scale solar power plants is that they require a huge amount of space. To rise above that problem Israeli researchers rece

发表于:2018-12-24 / 阅读(54) / 评论(0)

Scientific American(三)月

Russia Wants US Guarantees on Missile Shield

Russia says it wants legal guarantees from the United States that a proposed missile defense shield for Europe will not threaten Russian security. Deputy Foreign Minister Sergei Ryabkov said Monday that Moscow has been disappointed by Washington's re

发表于:2019-02-05 / 阅读(62) / 评论(0)

英语新闻

His Spear Against His Shield

A man of the state of Chu had a spear and a shield for sale．Hew as loud in praises of his shield．My shield is so strong that nothing can pierce it through． He also sang praises of his spear．My spear is so sharp that it can pierce through anyt

发表于:2019-02-05 / 阅读(67) / 评论(0)

趣味英语

托福考试：TOEFL模拟试题

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(53) / 评论(0)

托福英语

英文乡村歌曲：Jason Reeves - Helium Hearts

Over the lights of sunset and vine We're floating away From the fortune and fame And your lips are mine They're raspberry wine Your body's a map I will follow into the sky Cause what you got Is all that I want It's all that I want And still that's no

发表于:2019-02-26 / 阅读(64) / 评论(0)

美国乡村音乐

英文歌曲-英国冷艳新女声：Clare Maguire - The Shield And The Sword

英国冷艳新女声：Clare Maguire - The Shield And The Sword Clare Maguire，英国新女声，也是2011年度英国最有前途新人评选第五名，今年2月她发行了首张个人专辑。Clare的声音有种冷艳的特质在里面，非常

发表于:2019-03-02 / 阅读(90) / 评论(0)

经典英文歌曲

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学英语单词

A-145

acidoleous

active galactic nuclei

aeration basin

AGCT

ahakhav

aluminum-nickel-cobalt alloy

american institute of chemical engineers (aiche)

angle suspension tower

army uniform

as tall as