一种长而宽松的外套

例句：

1. 1.He put on his overcoat and went out for a walk in the park.
   他穿上外套，出去在公园散步。
2. 2.She wore an overcoat to protect herself from the cold weather.
   她穿着一件外套来抵御寒冷的天气。
3. 3. The overcoat was made of thick wool and kept him warm even in the winter.
   这件外套是用厚羊毛做的，即使在冬天也能让他保持温暖。