音标发音英式音标 [ˈrɒk.fɔːl]美式音标 [ˈrɑːk.fɑːl]英式发音 美式发音 基本解释n.大量的落石同根派生 rockfall相关词英汉例句用作名词 (n.)In mountainous area, gas pipelines are destroyed by rockfall impact.其中,在山区由落石冲击作用引起输气管道破坏的现象时有发生。rockfall更多例句英英字典剑桥英英字典 a mass of stones that is falling or has already fallenrockfall剑桥字典rockfall柯林斯字典