单词	biplane
释义	biplane biplane /ˈbaɪ.pleɪn/ noun [C] ► F0 an old type of aircraft with two sets of wings, one above the other→ COMPARE MONOPLANE(Cf. ↑monoplane)Thesaurus+: ↑Fixed-wing aircraft and helicopters
随便看	other than otherwise otherworldly otiose otoh OTT otter ottoman ouch ought oughtn't Ouija board ounce our our boys Our Father Our Lady ours ourselves -ous oust ouster out out- outa

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