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1·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·German writer, August Kopisch was the first to write about the beauty of the Blue Grotto cave on the coast of the Island of Capri.

德国的冬天，August Kopisch是第一个描述位于capri岛上的蓝洞洞穴的美丽的人。

4·The Blue Lake Grotto is part of one of the world's largest flooded cavities.

“蓝湖洞”是世界上最大洪水洞的一部分。