音标发音英式音标 [ˈsiː.bed]美式音标 [ˈsiː.bed]英式发音 美式发音 基本解释海底；海床。同根派生 英汉例句noun [ S ]The ship has been lying on the seabed for more than 50 years. 这艘船已经在海底沉睡了50多年。英英字典剑桥英英字典 the solid surface of the earth that lies under the ocean