单词：Navy Radio and Sound Laboratory
单词：Navy Radio and Sound Laboratory 相关文章
US Navy Lab Turns Seawater Into Fuel 美国海军实验室成功将海水转变成燃料 For centuries, alchemists have tried to turn lead into gold. That transmutation has long been proven impossible, but another similar dream - turning water into f
VOA标准英语2014年(五月)
Voice 1 Welcome to Spotlight. Im Joshua Leo. Voice 2 And Im Anne Muir. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 On the 7th of January 1943, an old
环球英语 Spotlight
[00:05.20]Nikola Tesla developed the alternating current power system that provides electricity in the United States. [00:14.42]Many of his other discoveries led to electronic inventions for which other scientists were honored. [00:22.75]Mister Tesla
美国英语听力80篇
ENVIRONMENT REPORT - November 22, 2002: Compromise on U.S. Navy Sonar By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. The United States Navy has agreed to temporarily limit testing
健康与环境
ENVIRONMENT REPORT – August 2, 2002: Navy Sonar and Ocean Animals By Caty Weaver This is the VOA Special English Environment Report. American officials have approved a plan for the United States Nav
健康与环境
ENVIRONMENT REPORT — January 18, 2002: U.S. Navy and Whales By Mario Ritter This is the VOA Special English ENVIRONMENT REPORT. In March of the year Two-Thousand, seventeen large ocean animals myste
健康与环境