[化] 氯化钯
[医] 二氯化钯

VOA标准英语2014--新的太阳能电池减少生产中对环境的危害

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(94) / 评论(0)

VOA标准英语2014年(六月)

SSS 2010-10-06

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop

发表于:2019-01-08 / 阅读(96) / 评论(0)

Scientific American(十)月

美国国家公共电台 NPR Retailers Plan To Clear Deadly Paint Removers From Shelves, As EPA Delays Ban

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(83) / 评论(0)

2018年NPR美国国家公共电台11月

科学美国人60秒 SSS 2016-1-1

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(134) / 评论(0)

2016年Scientific American(一)月

英语听力：自然百科为什么海水是咸的？

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(94) / 评论(0)

自然百科2009年

Palladium雅典娜的神像

Palladium雅典娜的神像PalladiumWhen Ilus had first built his new seat,the city of Troy, he prayed Zeus to show some sign of blessing for it. His prayer was heard,and a wooden image of Pallas- A-thena fell from heaven to within the walls of the c

发表于:2019-02-02 / 阅读(85) / 评论(0)

英语美文

ESL Podcast 390 – Dietary Restrictions and Preferences

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(85) / 评论(0)

地道美语播客

英语听书《海底两万里》第170期第12章一切都用电(3)

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先，我对您说，海底有锌、铁、银、金等矿藏，开发并不是不可能的事。

发表于:2019-02-25 / 阅读(154) / 评论(0)

《海底两万里》中英双语有声读物

【突破英文词汇】odyssey, paean, palladium

1. odyssey /ˈɔdɪsi:/ -- any long series of wanderings or travels Odyssey是有关奥德修斯在特洛伊战争后十年流浪返乡的史诗。《奥德赛》是古希腊最重要的两部史诗之一（另一部是《伊利亚特》），相传为

发表于:2019-02-27 / 阅读(175) / 评论(0)

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