洗手前知道自己或请老师帮忙把袖子卷起来洗手后能马上把袖子拉下来
Before washing hands, know to roll up your sleeves or ask the teacher for help. After washing hands, be able to pull them down immediately
以上为机器翻译结果，长、整句建议使用 人工翻译 。
应用推荐
模块上移
模块下移
不移动