二溴靛蓝, 二溴靛

字源大挪移 Prefix - 表示数字的字首 43 di-,dicho-

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发表于:2018-12-04 / 阅读(82) / 评论(0)

英文魔法师字源大挪移

科学美国人60秒 SSS Oldest Known Indigo Dye Found in Peru

Many people remember the colors of the rainbow by the acronym ROY G. BIV. For red, orange, yellow, green, blue, indigo and violet. Well, the color indigo just made news. Indigo gets its name from the plant Indigofera tinctoria and its relatives, whic

发表于:2018-12-24 / 阅读(61) / 评论(0)

2016年Scientific American(九)月

英语语法：173 Funny Homophones

Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her

发表于:2019-01-02 / 阅读(68) / 评论(0)

英语语法 Grammar Girl

英文短故事：The Indigo Jackal

In a jungle there lived a pack of jackals. They would hunt together to eat from the left-overs of the lions meal. One of the jackals was getting a little old. All the younger jackals bullied him and did not allow him to share the food. I have to do s

发表于:2019-01-08 / 阅读(60) / 评论(0)

英语小短文

VOA标准英语2010年-Omo River Dams in Ethiopia: Blessing o

Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele

发表于:2019-01-14 / 阅读(71) / 评论(0)

VOA标准英语2010年(九)月

VOA常速英语2007年-Africa Slowly Struggles to Bridge Digital Divid

By Jade Heilmann Dakar 19 December 2007 Africa is slowly bridging the gap that divides it from the digital world. Government officials and technology companies are trying to implement programs such as telemedicine and electronic education within the

发表于:2019-01-31 / 阅读(44) / 评论(0)

VOA常速英语2007年（十二月）

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acute vascular rejection

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animal stalking

application reservoir