lifelongKK [ˋlaɪˋflɔŋ] /ˈlaɪˈflɔŋ/形容詞1終身的、畢生的She made a lifelong commitment to protecting endangered species.她畢生投入於保護瀕臨絕種的物種。2一生的、一輩子的They met in college and became lifelong friends.他們在大學認識,成了一輩子的朋友。