涂上一层的

例句：

1. 1. She wore a coat over her dress for warmth.
   她穿着一件外套来保暖。
2. 2. The coat is too big for him.
   这件外套对他来说太大了。
3. 3. He put on his coat and went out into the cold.
   他穿上外套，走出了寒冷的户外。