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(qū)侏羅系地層滑坡的治理，首先在作好地質(zhì)勘查工作后應(yīng)建立地表排水系統(tǒng)、施抗滑樁群及擋土墻.;隧道洞口開挖采用"短進尺、爆破"。噴、及鋼拱架、合超前小導(dǎo)管等初期支護是行之有效的方法之一。
It is absurd to go out in such terrible weather.
在這麼惡劣的天氣里出去太荒唐。
He took out a fire insurance policy for his house.
他為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(jiān)獄。