单词:Minkowski electrodynamics
明可夫斯基电动力学
单词:Minkowski electrodynamics 相关文章
Agriculture Report - Tomato's Genetic Secrets Are Peeled Away This is the VOA Special English Agriculture Report. Scientists have made a genetic map of the tomato. Tomatoes are second only to potatoes as the world's most valuable vegetable crop. Eigh
发表于:2019-02-08 / 阅读(60) / 评论(0)
2012年VOA慢速英语(七)月