extemporization
🇺🇸
/ɪkˌstempərəˈzeɪʃn/
🇬🇧
/ɪkˌstempəraɪˈzeɪʃn/
Speaking or performing without preparation
The actor's talent for extemporization made each performance unique and exciting.
演员即兴表演的才能使每次演出都独一无二且令人兴奋。