羊毛厚外套

例句：

1. 1. The woolen sweaters are perfect for cold weather.
   羊毛衫非常适合寒冷的天气。
2. 2. The sheep are sheared every year to keep the wool clean.
   每年都会剪羊毛，保持羊毛的清洁。
3. 3. The man is wearing a wool coat in the cold weather.
   这个男人穿着一件羊毛外套在寒冷的天气里。