音標發(fā)音英式音標 [?r?k ?sa?.k?l]美式音標 [?rɑ?k ?sa?.k?l]英式發(fā)音 美式發(fā)音 基本解釋巖石循環(huán)，巖石周期。同根派生 the rock cycle相關(guān)詞英英字典劍橋英英字典 the way that rock is broken down into pieces by erosion, then carried by wind and water until pressed together to form rock againthe rock cycle劍橋字典the rock cycle柯林斯字典