单词	bi-wing
释义	bi-wing adjective ˈbī-ˌwiŋ  variants or less commonly biwing ˈbī-ˌwiŋ of an airplane : having two sets of fixed wings usually placed one above the other : being a biplane As in years past, four vintage bi-wing warplanes flew in formation over the grounds, contrails billowing behind them before reversing their course for another low fly-by. Coty Dolores Miranda, Arizona Republic, 1 Mar. 2010 bi-wing noun or less commonly biwing plural bi-wings also biwings Instead, Grumman designed its own fighter—the XFF-1, a stubby biwing with a crew of two under a transparent canopy. Norman Polmar, Naval History, June 2011 Word History First Known Use 1947, in the meaning defined above
随便看	substratospheric substratum substratums substriate substruct substructed substructing substruction substructional substructions substructs substructural substructure substructures substylar substyle substyles subsulfate subsultive subsultory subsumable subsume subsumed subsumes subsuming

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