座舱压力制度

Outside in the woods, a cool breeze stirred. Inside the boxcar, the four Alden children were hot from their hard work. Finally twelve-year-old Jessie stood up. Now that is what I call clean, she said, smiling at her two brothers and her ten-year-old

发表于:2018-12-31 / 阅读(51) / 评论(0) 分类 20 The Haunted Cabin Mystery

歌词如下: Little cabin in the wood, Little man by the window stood, Little rabbit hopping by, Knocking at the door, Help me! Help me,Sir! he said, Fore the farmer bops my head. Come on in, the little man cried, Warm up by the fire. Little cabin

发表于:2018-12-31 / 阅读(64) / 评论(0) 分类 英语儿歌274首

By David McAlary Washington 16 May 2006 Long distance air travel can increase the risk of blood clots in the legs, a potentially fatal condition that has been known for more than half a century. Now B

发表于:2019-01-19 / 阅读(90) / 评论(0) 分类 2006年VOA标准英语(五月)

When traveling by plane what makes our ears pop, and what is it exactly that pops? Most of us are familiar with this phenomenon of travel: it usually happens on takeoffs and landings. Our ears pop because of the change in air pressure as the plane as

发表于:2019-02-16 / 阅读(40) / 评论(0) 分类 英语听力文摘 English Digest

A 104 year-old woman was being interviewed by a reporter: And what do you think is the best thing about being 104? the reporter asked. She simply replied, No peer(窥视)pressure.

发表于:2019-02-18 / 阅读(68) / 评论(0) 分类 趣味英语

Traffic at our twelve oclock, 10 miles, climbing. Should we expedite our descent to cross altitudes? 601. 冲突飞机在我们12点钟方位,10海里处,正在上升。我们应该加速下降以穿越高度吗? Unable, TCAS RA. 602. 不能,

发表于:2019-03-10 / 阅读(157) / 评论(0) 分类 飞行员英语900句