extracurriculum
🇬🇧/ˌekstrəkəˈrɪkjʊləm/ 🇺🇸/ˌekstrəkəˈrɪkjələm/(of an activity at a school or college) pursued in addition to the normal course of study. "extracurricular activities include sports, drama, music, chess"
adjective [原级] 业余的;课外的
English extracurriculum activities 英语课外活动