noun 下载 🔗分享 落石, 山崩。 A quantity of rocks that has fallen from a cliff etc. Examples : "The hiking trail was closed due to recent rockfalls, making it too dangerous to pass. " 最近发生落石,这条徒步小径已经关闭,通过太危险了。 geology disaster environment 与AI对话词汇游戏阅读练习