earthfall
美 [ɜrθ'fɔl] 英 [ɜ:θ'fɔ:l]
英汉解释
例句
The problems of tunnel gushing and earthfall in Baoxing deep buried large hydraulic tunnel are obvious.
宝兴水电站引水隧洞为深埋特长隧洞,涌水塌方问题突出。