Water Cycle 水循环 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr

发表于:2018-12-07 / 阅读(81) / 评论(0) 分类 (科普英语)Earth and Sky

The full moon triggers a frenzy of activity. 满月会引发一连串狂乱的事件 It is the time of the highest tides. 海水在此时达到满潮 And in the oceans the full moon's bright light 在海中,满月明亮的胧光 is a mating call fo

发表于:2018-12-07 / 阅读(46) / 评论(0) 分类 2013年VOA慢速英语(三)月

心灵歌汤 cycles of time

发表于:2019-01-01 / 阅读(85) / 评论(0) 分类 心灵歌汤

周一到周五总是睡不够,可你知不知道,扰乱你一周睡眠规律的元凶竟然是上个周末!你是否也在周末睡懒觉、酗酒、和狂欢?这些都给你接下来一周的睡眠埋下了隐患。 We all like to let our h

发表于:2019-01-28 / 阅读(34) / 评论(0) 分类 阅读空间

By Alisha Ryu Near Galkayo, Somalia 06 October 2009 The United Nations is warning that years of drought and conflict are pushing many regions of Somalia toward a new cycle of hunger, devastation, and human suffering. Worse than ever Rotting carcass

发表于:2019-02-18 / 阅读(50) / 评论(0) 分类 VOA标准英语2009年(十月)

Altogether there is about twenty thousand times as much carbon locked away in the Earth's rocks as in the atmosphere. 总的来说,被关在地球岩石里的碳,大约相当于大气里的2000倍。 Eventually much of that limestone will end up

发表于:2019-02-25 / 阅读(45) / 评论(0) 分类 万物简史