noun 下载 🔗分享 落石, 岩崩 A quantity of rocks that has fallen from a cliff etc. Examples : "The road was closed due to a dangerous rockfall from the steep hillside. " 由于陡峭的山坡上发生了危险的落石,道路已经封闭。 geology disaster environment 与AI对话词汇游戏阅读练习