cavern out

同根派生

The rock was caverned out to make a tunnel.
挖出巖石造隧道。
In this paper, we inquired into the treatment of highway slide slope and the tunnel cavern out on the land of Chongqing area.
重慶地區侏羅系地層滑坡的治理，首先在作好地質勘查工作後應建立地表排水系統、施抗滑樁群及擋土牆.;隧道洞口開挖採用"短進尺、爆破"。噴、及鋼拱架、郃超前小導琯等初期支護是行之有傚的方法之一。
It is absurd to go out in such terrible weather.
在這麽惡劣的天氣裡出去太荒唐。
He took out a fire insurance policy for his house.
他爲自己的房子辦理了一份火險保險單。
He's been in and out of prison for years.
他多年來屢次進出監獄。