field day
剑桥词典
- US
a special day of organized sports or other outside activities for students
（学生的）体育比赛日，户外运动日
a special day of organized sports or other outside activities for students
（学生的）体育比赛日，户外运动日
a special day of organized sports or other outside activities for students
（学生的）体育比赛日，户外运动日