[计] 扩散电阻

我们该选择死亡吗？

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(57) / 评论(0)

英语演讲

SSS 2008-09-16

This is Scientific American's 60-Second Science. I'm Cynthia Graber . This will just take a minute. Theres a traditional bowl in Korea that locals say makes food safer. And they might be right. The bowl is made of almost 80 percent copper. Copper ion

发表于:2019-01-08 / 阅读(95) / 评论(0)

Scientific American(九)月

SSS 2008-04-18

This is Scientific American's 60-Second Science. Hi, Steve Mirsky. Here, I'm going over our usual one minute today. By now you've probably heard of Expelled, the new Ben Stein anti-evolution crocumentary. It officially opens today, as I speak that's

发表于:2019-01-08 / 阅读(52) / 评论(0)

Scientific American(四)月

英语歌曲:Kathy's song

Kathy's song 歌手：Eva Cassidy 《Kathy's Song》 -- (P. Simon, 1965) Simon and Garfunkel I hear the drizzle of the rain Like a memory it falls Soft and warm continuing Tapping on my roof and walls. And from the shelter of my mind Through the wind

发表于:2019-02-04 / 阅读(48) / 评论(0)

好听的英文歌曲

你应该知道的11件事

你应该知道的11件事 A silhouette of a human being stands before you. Perhaps an old friend. Perhaps a neighbor. Perhaps a perfect stranger, like me. Here are 11 things we all need you to keep in mind 1. You never really know how much the peopl

发表于:2019-02-09 / 阅读(71) / 评论(0)

实用英语

万物简史第369期:进入对流层(10)

At the equator the convection process is generally stable and the weather predictably fair, but in temperate zones the patterns are far more seasonal, localized, and random, which results in an endless battle between systems of high-pressure air and

发表于:2019-02-25 / 阅读(40) / 评论(0)

万物简史

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学英语单词

Alucra

amphoteric ion-exchangeresin

anarres

antisurgical

anything left from previous crops

arew

at money-of-the-day price

Atlantic pollocks

auxiliary computation

baseball pitchers' elbow

beach yarn