向下压紧

Millions of gallons of fresh water evaporate from the ocean daily, leaving all their salts behind, 每天有几百万加仑淡水从海洋蒸发,留下了全部盐分, so logically the seas ought to grow more salty with the passing years, but the

发表于:2018-12-07 / 阅读(43) / 评论(0) 分类 万物简史

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Life requires balance. We balance work and family. We eat a balanced breakfast, sometimes. And we balance our electrolytes. That salt-water synergy is no

发表于:2018-12-24 / 阅读(58) / 评论(0) 分类 Scientific American(九)月

Its easy and relaxing to make and use bath salts at home 在家里制作并使用浴盐很容易也让人非常放松 1/3 cup baking soda 1/3 cup Epsom salts 1/3 cup sea salt 10 drops lavender essential oil 1/3 杯发酵粉 1/3 杯泻盐 1/3 滴薰衣草

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 英语小短文

Synthetic Drug Problematic for US Authorities Augusta County, Virginia, is a rural county in the Blue Ridge Mountains, two and a half hours southwest of Washington. It has a big problem. Sheriff Randy Fisher says Augusta County was once known as the

发表于:2019-01-13 / 阅读(114) / 评论(0) 分类 VOA标准英语2012年(六月)

人类的大脑是一个迷 对于我们的身体来说,它是出奇地大。它的重量和那一个奇形怪状的密集的大脑皮层消耗了大量的能量。但是:为什么?神经学家苏珊娜带上她的侦探帽,带领我们探索这

发表于:2019-02-05 / 阅读(40) / 评论(0) 分类 TED公开课:美妙的神经系统

By Shally Zomorodi Los Angeles, California 11 December 2006 watch The Little Man Abbas Kazerooni as a young boy A young boy forced to live on his own by his parents. That's the story author Abbas Kazerooni shares in his new book, The Little Man. But

发表于:2019-02-05 / 阅读(113) / 评论(0) 分类 2006年VOA标准英语(十二月)