岩石缝隙中的积水形成了一个适合苔藓生长的小型微栖息地。

The water collected in the rock crevices forms a perfect ___microhabitat for moss growth.

这块岩石的缝隙形成了一个阴凉的微型栖息地，适合苔藓生长。

The crevices in this rock form a shady ___microhabitat perfect for moss to grow.