n.(吸引人的)岩洞,洞穴,(人挖的)洞室
We reached a beautiful grotto , whose entrance was almost hiden by the vine.
我们到达了一个美丽的洞穴, 洞的进口几乎被藤蔓遮掩著.
The people of hope to visiting grotto come from Africa.
希望参观岩洞的人们来自非洲.
Water trickles through an underground grotto.
水沿着地下岩洞流淌。