单词：mordant azo dye
单词：mordant azo dye 相关文章
vocabulary 10000 第五部分 Lesson 10 The entire population was aggrieve d by the tyranny of the king. Only a callous / apathy person can see suffering without trying to relieve it. Walking barefoot on the asphalt pavement/trotter makes the bottom o
刘毅词汇 10000
vocabulary 10000 第四部分 Lesson 10 The entire population was aggrieve d by the tyranny of the king. Only a callous / apathy person can see suffering without trying to relieve it. Walking barefoot on the asphalt pavement/trotter makes the bottom o
刘毅词汇 10000
Long Before Burning Man, Zozobra Brought Fire And Redemption To The Desert play pause stop mute unmute max volume 00:0005:40repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update
2016年NPR美国国家公共电台9月
This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So
VOA慢速英语2007年（五）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
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
英闻天下