Caverning
n. 巨穴, 洞窟, 深處\\nvt. 放于山洞中, 挖空
??? 情景例句
And the new drawings for the toy spaceship.
還有玩具太空船的新草圖。
Do not sell the bear's skin before you have caught the bear.
熊未到手休賣(mài)皮（勿過(guò)早樂(lè)觀）。
One hour and seventeen minutes passed and we had not even covered half the distance.
1小時(shí)17分過(guò)去了，走了還不到一半路程。