单词：lighter-than-air crafts
【航空学】轻于空气的航空器
单词：lighter-than-air crafts 相关文章
INTRODUCTION TO ACT I Today on TUNING IN THE U.S.A., were on the road with Richard Stewart and Andreas Pappas. Andreas is a visitor from Greece, and he is a cousin of one of the Stewarts friends, Alexandra Pappas. Richard and Andreas are traveling to
欢乐美语
上次节目采访了哈皮，让我们对哈皮有了个大致了解。这次我们采访的是毛拉，让我们来了解一下毛拉吧 Harp: Yes. Today Im interviewing Maura. Last week, she interviewed me. We think this is a good idea for all of
话匣子英语
The Farnborough International Airshow, held every two years in Britain, is a key event where new planes are displayed and flown and where orders are placed. This year there are indications that commercial aviation may be recovering from a year of los
VOA标准英语2010年(七)月
They're often considered scavenging pests, but Australia's native White Ibis is helping scientists understand the impact of urban life on wildlife. These long-legged birds are a barometer of Sydney's environmental health. Our reporter Li Dong has the
世界各地新闻集锦
PM2.5 is one of the major pollutants of the air pollution in Beijing and it poses the greatest risk to human health. Its concentration reached a record high of 993 on January 12, almost 50 times the World Health Organization's recommended level. PM2.
英闻天下