单词：pitots
n French physicist for whom the Pitot tube was named (1695-1771)
n measuring instrument consisting of a right-angled tube with an open end that is directed in opposition to the flow of a fluid and used to measure the velocity of fluid flow
单词：pitots 相关文章
On certain nights, the secret is revealed. Warm, damp air moving in from the mid-Atlantic is transformed to fog as it crosses the cold coastal current. A vast blanket of moisture steadily rolls across
浩瀚沙漠
Europe, an ancient continent. Within its borders lies unrivalled richness of both natural and human wonders. At its northern limits, Europe reaches into the icy wastes of the high Arctic. To the south
欧洲自然写真
Parts of Pangaea were periodically flooded by shallow seas. But time and again this water evaporated, leaving layer upon layer of salt. Today these massive deposits lie buried deep beneath the Netherl
欧洲自然写真
An international tiger conservation workshop is underway in Yunnan's capital, Kunming. Topics for discussion include the protection of wild tigers and combating the illegal trade in animal products. Shi Kun is the director of the wildlife institute a
世界各地新闻集锦
Rocky Mountain National Park: Wild and Wonderful Our national parks journey this week takes us to an extreme landscape in Colorado. Around us are clear lakes, aspen and fir trees, and mountain peaks that rise over 4,400 meters. Welcome to Rocky Mount
2016年VOA慢速英语(八)月
U.S. President Barack Obama is urging Sudan's government to let recently expelled humanitarian aid groups return to the country. Mr. Obama is sending an envoy to Khartoum this week to make his case. President Barack Obama meets with the US Envoy for
VOA标准英语2009年(四月)