单词:exospheric phenomena
外大气层现象
单词:exospheric phenomena 相关文章
U.S. President Barack Obama travels Friday to Trinidad and Tobago to attend the fifth Summit of the Americas, a gathering of all hemispheric leaders minus Cuba. U.S. officials say the summit is an opportunity to forge a regional response to the glob
发表于:2019-01-13 / 阅读(75) / 评论(0)
VOA标准英语2009年(四月)
Loneliness is an emotion that doesnt always make a lot of sense. Two people may have very similar social lives, and yet one might feel isolated more often than the other even when surrounded by people they know and love, who know and love them back. 孤
发表于:2019-02-03 / 阅读(35) / 评论(0)
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