縺向相反而硷序相同或近于相同的DNA的构造；回折

词汇大师-- Forget the Gunplay

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: palindromes aplenty! RS: A palindrome is something that reads the same backwards or forwards. Palindromes make us think of Janus, the Roman god with one face looking forward, anot

发表于:2018-12-30 / 阅读(52) / 评论(0)

词汇大师(Wordmaster)

名人轶事:IdaTarbell,1857-1944: She Used Her Reporting Ski

Ida Tarbell, 1857-1944: She Used Her Reporting Skills Against One of the Most Powerful Companies in the World Tarbell charged that Standard Oil was using illegal methods to hurt or destroy smaller oil companies. ANNOUNCER: People in America, a progra

发表于:2019-01-01 / 阅读(57) / 评论(0)

名人轶事

英语单词大师：Palindrome

AA: Im Avi Arditti with Rosanne Skirble, and this week on WORDMASTER -- a look backward! RS: As we do each New Year, were going to play one of our favorite recordings. Its a skit about a cowboy with an unusual speaking habit. AA: The piece is called

发表于:2019-01-18 / 阅读(37) / 评论(0)

英语单词大师-Word Master

词汇大师(Wordmaster)--Palindrome

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER -- a look backward! RS: As we do each New Year, we're going to play one of our favorite recordings. It's a skit about a cowboy with an unusual speaking habit. AA: The piece is call

发表于:2019-01-25 / 阅读(36) / 评论(0)

词汇大师(Wordmaster)

英语单词大师：Forget the Gunplay, These

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: palindromes aplenty. RS: A palindrome is something that reads the same backwards or forwards. Palindromes make us think of Janus, the Roman god with one face looking forward and a

发表于:2019-02-14 / 阅读(51) / 评论(0)

英语单词大师-Word Master

学个词 Learn a Word-VOA英语教学 1944 cost of living

1944 cost of living 今天我们要学的词是 cost of living. Cost of living 生活费用。New York is the most expensive city to live in, according to an online cost of living index. 根据一项网上的生活费用指数排名，纽约是美国生

发表于:2019-03-07 / 阅读(104) / 评论(0)

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cascaded-interchange comparator

chevance

chromatographic method