单词：radar echo area
单词：radar echo area 相关文章
Lesson 7 Bats 蝙蝠 First listen and then answer the following question. 听录音，然后回答以下问题。 In what way does echo-location in bats play an utilitarian role? Not all sounds made by animals serve as language, and we have only to tu
新概念英语第四册
Lesson 9 Curiosities of Animal Life 动物生活趣闻 Not all sounds made by animals serve as language, and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian r
新概念英语85年上外美音版
The underwater search for missing Malaysia Airlines flight MH370 has ended in failure, leaving one of the worlds greatest aviation mysteries unsolved almost three years after the aircraft disappeared. 对失踪的马来西亚航空(Malaysia Airlines)
英语新闻
Hello, I am Naamua Delaney at the CNN center in Atlanta and here is a look at what's happening NOW IN THE NEWS. We have new details on a terrorism investigation in New York and Colorado. Sources close to the investigation tell CNN the suspects may h
CNN2009年(九)月
1. Colorado officials say a massive avalanche buried several cars on US Highway 40 about 60 miles west of Denver. At least 7 people have been rescued. Crews are searching for more survivors. Snow fell on the area on Friday, the third snowstorm in th
美联社新闻一分钟2007
Turn right heading 340. 244. 右转航向340. Turn right 20 degrees. 245. 右转20度。 Leave BK heading 190. 246. 离开BK，航向190。 Fly heading 285. 247. 航向飞285。 Stop turning heading 070. 248. 停止转弯，航向070。 Request headi
飞行员英语900句