单词：Pitot static tube
托静压管；皮特静压管
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VOA标准英语2011年(六月)
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美国习惯用语
Just as a clam came out to bask in the sun a snipe pecked at its flesh．The clam closed its shell and squeezed the snipe's beak．If it does not rain today and it does not rain tomorrow，you will be a dead clam，said the snipe．If you cannot free
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趣味英语
趣味英语