音标发音英式音标 [ˌbaɪ.əʊˈklæs.tɪk]美式音标 [ˌbaɪ.oʊˈklæs.tɪk]英式发音 美式发音 基本解释生物碎屑的。同根派生 英英字典剑桥英英字典 used to refer to a type of rock consisting of very small pieces of animals and plants