单词：rhodoviolasin
音标：[,rәudәvaiә'læsin] ；
紫菌红醚
单词：rhodoviolasin 相关文章
Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra
发表于:2018-12-05 / 阅读(153) / 评论(0)
国家地理2008年
国家地理2008年
Violin 小提琴 The violin is one of the most important classic instruments. 小提琴是最重要的古典乐器之一。 The violin is more than 500 years old. 小提琴有500多年的历史。 Italian instrument makers made violins in the 16th ce
发表于:2018-12-13 / 阅读(96) / 评论(0)
与美国小学生一起学英文第5册
与美国小学生一起学英文第5册
Transcript for Reference Only --chunshan The infrared astronomical satellite, now celebrating its 25th anniversary, gave us the first all sky view of our dusty infrared universe. Floating above the galactic center is the Rho Ophiuchi Cloud, about 400
发表于:2019-02-26 / 阅读(220) / 评论(0)
自然百科2008年
自然百科2008年