航向信标

beacon, ['bi:kən] n 灯塔(位于海岸,用以导航);烽火(警告敌人的接近) 【例】Fires beaconed the darkness 火光驱散了黑暗。 【记】bea=bead珠子,夜明珠,con=can能。夜明珠能在晚上导航。 烽火

发表于:2018-12-30 / 阅读(46) / 评论(0) 分类 不择手段背单词

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Man-made light sources can really throw animals for a loop. Moths can't tear themselves away from lightbulbs, and newly hatched sea turtles often shun moonlit ocean

发表于:2019-01-08 / 阅读(75) / 评论(0) 分类 Scientific American(一)月

Business Aviation Flight to the future 商业 航空 飞向未来 Modernising creaking air-traffic systems will be a huge task 空中交通系统现代化进程任重道远 THESE days a $15,000 car comes with GPS satellite navigation fitted as standa

发表于:2019-01-26 / 阅读(33) / 评论(0) 分类 经济学人商业系列

Modernising creaking air-traffic systems will be a huge task 空中交通系统现代化进程任重道远 THESE days a $15,000 car comes with GPS satellite navigation fitted as standard. But a $150m airliner still has to be guided through the skies

发表于:2019-02-17 / 阅读(24) / 评论(0) 分类 经济学人综合

Leaders 社论 America divided 美利坚分众国 Politicians are making Americans miserable. The mid-terms offer a chance to change 政客们让美国民众痛苦不堪,中期选举是一个改变的机会 As America prepares to go to the polls on

发表于:2019-02-17 / 阅读(40) / 评论(0) 分类 经济学人综合

[00:12]Day 9 [00:14]assist [00:16]Two men are assisting the police in their enquiries. [00:21]bargain [00:23]We made a bargain on the spot that [00:25]I would do the work and he would supply the money. [00:30]barrier [00:32]All the institutional and

发表于:2019-03-16 / 阅读(292) / 评论(0) 分类 星火英语四级2000核心词