grotto|grottos

传说中这个天然洞穴是古代神灵居住的地方。

Legend says this natural ___grotto was once home to ancient gods.

村民们每年都会在这个神圣的小石窟前祈祷。

Villagers pray in front of the sacred ___grottos every year.

公园里有一个装饰着贝壳的漂亮小洞穴。

There is a beautiful ___grotto decorated with seashells in the park.