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

发表于:2019-01-03 / 阅读(74) / 评论(0) 分类 医务英语

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(117) / 评论(0) 分类 英语新闻

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(163) / 评论(0) 分类 趣味英语

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(119) / 评论(0) 分类 英语新闻

Arewealmostfinishedpacking? 行李整理的差不多了吗? 例句: A:Arewealmostfinishedpacking? 行李整理的差不多了吗? B:Letmedoublecheckthechecklist. 让我再核对一下物品清单。 A:Sure.Didwepackourtoiletries? 好的,盥洗用

发表于:2019-03-02 / 阅读(100) / 评论(0) 分类 跟艾米莉一起学口语