limestoneKK [ˋlaɪmˏston] /ˈlaɪmˌstoʊn/发音名词1石灰岩、石灰石The cliffs along this coast are made of soft limestone.这段海岸的峭壁是由松软的石灰岩构成的。形容词1石灰岩的、石灰石的We spent the afternoon exploring a huge limestone cave.我们花了一个下午探索一座巨大的石灰岩洞穴。用这个字练口说→