变温暖

例句：

1. 1. The room is very warm and cozy.
   房间非常温暖舒适。
2. 2. She wrapped herself in a blanket to stay warm.
   她把自己裹在毯子里保持温暖。
3. 3. In winter, the air is usually much colder than in summer.
   冬天，空气通常比夏天冷得多。