But as the trees' pine cones mature to release their twirling seeds, 但当这些树木的球果成熟,释放它们随风旋转的种子 this signals a problem for the lodgepoles' future. 这预示了美国黑松将面对一个问题。 Very few of

发表于:2018-12-08 / 阅读(26) / 评论(0) 分类 TED演讲教育篇

A quick-thinking stranger helped Maureen Krekian escape one of the worst fire disasters in U.S. history. Time now for StoryCoprs, a project that's traveling the country recording your stories. On this summer day in 1944, a circus in Hartford, Connec

发表于:2018-12-19 / 阅读(28) / 评论(0) 分类 2007年NPR美国国家公共电台

This is Scientific America's 60-Second Science. I am Karen Hopkin. Thisll just take a minute. Mmm, sticky rice. Its a glutinous side dish thats perfect for practicing your chopstick skills, for sopping up curry sauce and, amazingly, for building real

发表于:2019-01-08 / 阅读(47) / 评论(0) 分类 Scientific American(六)月

On the Scene: D-Day Re-enactments in France 法国重演诺曼底登陆 CARENTAN, NORMANDY Old wartime songs ring out across Carentan town square as visitors enjoy the early summer sunshine. Today Carentan is a peaceful corner of France. Seventy year

发表于:2019-01-14 / 阅读(31) / 评论(0) 分类 VOA标准英语2014年(六月)

游人云集诺曼底再现二战登陆场景 Old wartime songs ring out across Carentan town square as visitors enjoy the early summer sunshine. Today Carentan is a peaceful corner of France. Seventy years ago it saw some of the most ferocious fight

发表于:2019-01-19 / 阅读(47) / 评论(0) 分类 VOA双语新闻 2014年6月

今天我们要学的词是brick-and-mortar。 Brick-and-mortar, 意思是实实在在存在的, The community college operates both brick-and-mortar schools and online instruction programs, 这所社区大学既有自己的校园,又同时在网上

发表于:2019-02-19 / 阅读(41) / 评论(0) 分类 英语单词荟萃