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词汇	dihedral angle
释义	dihedral anglen.（名词）Clarinda/Academy Artworks Mathematics The angle formed by two intersecting planes.【数学】 二面角：由两个交叉平面形成的角度 Aeronautics The dihedral of an aircraft wing.【航空学】 反角：飞机机翼的反角
随便看	uncouple uncouth uncovenanted uncover uncovered uncovered option uncreated uncredentialed uncredited uncrewed uncritical uncross uncrowded uncrowned unction unctions unctuous uncultivated uncultured uncurl uncus uncut undamaged undamped undated

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