单词：indigo copper (covellite)
单词：indigo copper (covellite) 相关文章
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
2016年Scientific American(九)月
NB: This is not a word for word transcript Alice: Hello, I'm Alice. Stephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sat navs. Stephen: Sat navs thats short for satellite navigation systems. Alice: Theyre th
六分钟英语
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
英语小短文
Marion: Im trying to decide whether to get cable or satellite TV. Which one do you have at your apartment? Cesar: I have satellite, but I used to have cable. Marion: Whats the difference? Cesar: Not a lot. With satellite, you have to have a satellite
地道美语播客
By Bill Rodgers Washington, DC 13 December 2006 watch News Media Changes Satellite television and the expanding power of the Internet are not only changing the way news is delivered, but also the perception of what news is and the way journalists do
2006年VOA标准英语（十二月）
Soon, scarcely blurred by their distance from us, the forms of some objects took shape before my eyes. 走了一会儿，看见前面有些东西，虽然形象仅仅在远方微微露出，但轮廓已清楚地在我眼前浮现。 I recognized the
《海底两万里》中英双语有声读物