1. The mountaintop was covered in nival beauty, with a blanket of fresh snow.
山顶上覆盖着雪的美丽景色，白雪皑皑。

2. Penguins are well-adapted to nival environments, with their thick layer of insulating feathers.
企鹅适应了雪的环境，拥有厚厚的保温羽毛层。