汗衫

例句：

1. 1. He wore a sweatshirt to the party.
   他穿着一件运动衫去参加派对。
2. 2. She put on a light sweatshirt for the evening.
   她穿上一件轻薄的汗衫准备晚上出门。
3. 3. The weather was hot, so he wore a sweatshirt to stay cool.
   天气很热，所以他穿了一件汗衫来保持凉爽。