单词	longeron
释义	longeron noun lon·​ge·​ron ˈlän-jə-ˌrän  : a fore-and-aft framing member of an airplane fuselage Word History Etymology French First Known Use 1912, in the meaning defined above
随便看	trails off trailside trailsman trailsmen trailway train train (with) train case train dispatcher train down train ferry train guard train line train of rolls train of thought train off train oil train order train pipe train set train shed train sheet train sickness train signal train stop

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