这家公司专注于高端宠物食品这一细分市场。

The company focuses on the premium pet food ___niche in the market.

她在教育技术领域找到了适合自己的位置。

She found her ___niche in the field of educational technology.

我们在走廊的墙上挖了一个壁龛来摆放那尊小佛像。

We carved a small ___niche in the hallway wall to display the little Buddha statue.

啄木鸟在森林生态系统中的生态位是控制昆虫数量。

The woodpecker's ___niche in the forest ecosystem is controlling insect populations.