My favorite season is winter.

Winter is a season that is typically characterized by cold temperatures and snow in many regions of the world. The exact timing of winter varies depending on the location, but it typically occurs between December and February in the Northern Hemisphere and between June and August in the Southern Hemisphere.

Examples in Engpsh:

I love the crisp air and snowflakes during winter.
Winter is my favorite time of year to go skiing and snowboarding.
I enjoy cozying up by the fire with a good book during the winter months.

Translations:

我喜欢冬天的冷空气和雪花。
冬天是我最喜欢的滑雪和滑雪板的时间。
在冬天，我喜欢躲在火炉旁读一本好书。