音標發(fā)音英式音標 [?si? d??fens]美式音標 [?si? d??fens]英式發(fā)音 美式發(fā)音 基本解釋海岸保護（保護海岸地區(qū)不被海水侵蝕）。同根派生 sea defence相關詞英英字典劍橋英英字典 ways of protecting land from being flooded or worn away by the seasea defence劍橋字典sea defence柯林斯字典