单词：marine distress signals
单词：marine distress signals 相关文章
WHITE HOUSE President Donald Trumps administration wants to shut down U.S. government radio stations that announce official time, a service in operation since World War II. WWV and WWVB in the state of Colorado and WWVH on the island of Kauai in the
VOA标准英语2018年(九月)
Wild life experts are trying to figure out why sick, disoriented and bruised California brown pelicans are being found in record numbers up and down the west coast of North America. The birds, some of them dead, have been spotted from Washington Stat
自然百科2008年
Plant Signals 植物的语言 Can plants smell and taste in the same way that animals do? Can they talk to each other and to insects? Learn how scientists hope to unravel some of the mysteries of plant senses -- on today's Earth and Sky. JB: This is Eart
(科普英语)Earth and Sky
Malaysia Airlines, One Year Later: Similar Disappearance Could Happen Again 一年后的马航:类似失踪事件可能再次发生 On March 8, 2014 a Malaysia Airlines flight took off from Kuala Lumpur enroute to Beijing. All transmission from the p
VOA标准英语2015年(三月)
马航空难一周年 各界呼吁革新飞机设计 On March 8, 2014 a Malaysia Airlines flight took off from Kuala Lumpur enroute to Beijing. All transmission from the plane ended 40 minutes after take-off. The plane has not been found and is presu
VOA双语新闻 2015年3月
A dolphin called Moko has made headlines, and possibly history by apparently saving two stranded whales. The pair of pygmy whales, a mother and child were stranded on the East Coast of New Zealand's North Island. Rescuers struggled for an hour and a
英伦广角