grotto
单词辨析：
普通用词，泛指固体物中的空间或某物可穿过的空间。
There was a small hole in the road.
路上有个小坑。
The explosion tore a hole in the wall.
墙被炸出一个洞。
A mole dug a hole near the wall.
鼹鼠在墙边打了一个洞。
表示某物上有个洞，不要用 on, 而要用 in。
指较大的天然洞窟，如山洞、岩洞等，也可指人造的窑洞。
The cliffs are riddled with caves.
岩壁上布满洞穴。
The entry of the cave was hidden by trees.
洞穴的入口被树丛遮掩。
比 hole 正式，指实体内或表面的空洞或空腔。
That is actually a cavity in the earth.
那其实是一个地下洞穴。
There is a cavity in one of my teeth.
我的一颗牙齿上有个蛀洞。
The heart is located roughly in the center of the chest cavity.
心脏大致位于胸腔的中央。
指较小的、吸引人的洞穴、岩穴、石窟等，可以是天然的，也可以是人工开凿的。
The grotto is not accessible at present.
该石窟目前不可进入。
He found a beautiful grotto, whose entrance was hidden by vines.
他发现了一个漂亮的洞穴，入口被藤蔓遮掩着。
相关例句：
"Grotto of Dante". It is considered to remind of Hell as described by the Italian writer.
“但丁石窟”。人们认为这里是意大利作家所描述的地狱的提醒。
Most of the big stores have a santa's grotto in the weeks before christmas.
在圣诞节前的几个星期里许多大商场都设有圣诞老人洞穴。
Through the study of grotto statue remains in Anyue county, the article elaborated the historical changes and modelling styles of Anyue stone-carving art.
本文通过对安岳县境内石窟造像遗存的考察，阐述了安岳石刻艺术的历史变迁与造型风格。
At last, after renewed hesitation, Dant è s entered the second grotto.
终于，在略微迟疑了一下以后，唐太斯进入了第二个洞窟。
An artificial archway connected it with the grotto, to which a stairway of a dozen steps led down.
以人造拱门十二个阶梯往下连接穴洞。
Research in Pigments of Mural Painting of the Second and Sixth Grotto of Eastern Thousand-Buddha Cave in Gansu Province
甘肃东千佛洞二窟和七窟壁画使用颜料的研究莫高窟盛唐未完工中唐补绘洞窟之初探