锯齿形肽酶

数学英语 26 What is the Golden Ratio

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(115) / 评论(0)

数学英语

数学英语 14 How to Use the Golden Ratio

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(136) / 评论(0)

数学英语

<词海拾贝>Rabble-Rouser：煽动者、煽动政治家

Rabble-rouser的意思是“煽动者、煽动政治家（尤指利用情绪或偏见煽动民众,以期获得领导地位及达到私人目的的人）”。你知道这个词的来历吗？ 19世纪中

发表于:2019-02-01 / 阅读(72) / 评论(0)

英文语法词汇

Serero wins South Africa's footballer of the year

JOHANNESBURG, May 30 (Xinhua) -- Ajax Cape Town's Thulani Serero won the player of the year award at the South African Premiership awards at Gold Reef City on Sunday. The 21-year-old striker's awards included Footballer of the Year Award, the Premier

发表于:2019-02-01 / 阅读(104) / 评论(0)

英语新闻

China cuts its reserve ratio again

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(82) / 评论(0)

英语新闻

2007年VOA标准英语-Senegalese Drug Abusers Emerge as High Risk HIV

By Phuong Tran Dakar 12 February 2007 Africa's porous borders and location have made it an attractive destination for drug traffickers. Health and government officials worry how this trend affects the growing rate of HIV infection on the continent.

发表于:2019-02-08 / 阅读(80) / 评论(0)

2007年VOA标准英语（二月）

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学英语单词

acupuncture anesthesia

adsorption affinity

alphanumeric display terminal

austenitic heat resistant steel

autosplenectomy

baggage cars