单词：thermodynamics of mesosphere
[气象] 中间层热力学
单词：thermodynamics of mesosphere 相关文章
By Paul Sisco Washington 20 April 2007 NASA is preparing to launch a mission to the mesosphere, a region at the top of Earth's atmosphere where mysterious night shining clouds are formed. Little is known about the mesosphere, but its unique ice clou
发表于:2019-01-12 / 阅读(204) / 评论(0)
2007年VOA标准英语（四月）
2007年VOA标准英语（四月）
Some scientists say time is governed by the movement of matter in our universe. They say time flows forward because the universe is expanding. Some say it will stop expanding some day and will begin to move in the opposite direction, to grow smaller.
发表于:2019-01-22 / 阅读(146) / 评论(0)
英语时差8，16
英语时差8，16