buoyantKK [ˋbɔɪənt] /ˈbɔɪənt/形容詞1輕快的、愉快的、開朗的She arrived at the office in a buoyant mood after the interview.面試結束後,她心情愉快地回到辦公室。2能浮的、有浮力的The raft is light and buoyant enough to carry four people.這艘筏子既輕又有浮力,足以承載四個人。3活絡的、暢旺的、看漲的商業A buoyant housing market pushed rents up across the city.房市暢旺,使全市的租金一路上漲。