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    1. buoyancy

      英 ['b???ns?] 美['b???nsi]
      • n. 浮力;輕快;輕松的心情;(股票)保持高價(jià)或回升

      英英釋意


      1. cheerfulness that bubbles to the surface
      2. the property of something weightless and insubstantial
      3. irrepressible liveliness and good spirit;
      "I admired his bouyancy and persistent good humor"