[军] 伪装染料

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(60) / 评论(0) 分类 2016年Scientific American(九)月

[00:00.00]Unit 26 [00:04.15]Song [00:05.46]2 Guess which words go in the gaps. [00:08.83]Listen and check. [00:10.83]The Tears of a Clown [00:21.89]Oh, yeah yeah yeah [00:25.02]Now if there's a smile on my face [00:28.38]It's only there trying to foo

发表于:2019-01-10 / 阅读(178) / 评论(0) 分类 北师大版高中英语模块9(选修)

Australian scientists say an organic compound used by Indian women to paint dots or bindi on their foreheads could hold the key to a breakthrough in cancer treatment. Rose Bengal was first used in the early 1900s as a dye for food, textiles and cosm

发表于:2019-01-11 / 阅读(51) / 评论(0) 分类 VOA标准英语2008年(八月)

ROBERT SIEGEL, HOST: South by Southwest also showcases art, the type of art you'd expect at a tech-focused conference. One installation features counter-surveillance fashion by a group of women of color. They first caught the eye of NPR arts correspo

发表于:2019-01-16 / 阅读(41) / 评论(0) 分类 2017年NPR美国国家公共电台3月

DEVELOPMENT REPORT - Bringing Color to Life With Natural Dyes By Jill Moss Broadcast: Monday, August 15, 2005 I'm Barbara Klein with the VOA Special English Development Report. Dye can bring a little

发表于:2019-01-30 / 阅读(74) / 评论(0) 分类 农业与发展

An investigation has revealed six garment manufacturers in Shanghai have made school uniforms using toxic dye. The city's quality watchdog says it found aromatic amine dye in uniforms sold to 21 primary and middle schools across the city. China's nat

发表于:2019-02-14 / 阅读(62) / 评论(0) 分类 英闻天下
学英语单词
A Ch S (American Chemical Society)
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