earthfall

美 [?rθ'f?l] 　英 [?:θ'f?:l]

• na.塌方
• 網(wǎng)絡(luò)失控的地球；空降地球；地球殞落

英漢解釋

na.

1. 塌方

例句

The problems of tunnel gushing and earthfall in Baoxing deep buried large hydraulic tunnel are obvious.

寶興水電站引水隧洞為深埋特長隧洞，涌水塌方問題突出。