He thought they wanted to go to a restaurant called the Blue Grotto for dinner.
他以为他们要去一家叫蓝洞的餐厅吃饭。
2
They asked how they could go to the Blue Grotto, a well-known sea cave in Capri.
他们问怎样才能去蓝洞，一个在卡普里岛的著名海洞。
3
In Southwest France in the 1940's, playing children discovered Lascaux Grotto, a series of narrow cave chambers that contain huge prehistoric paintings of animals.