lifelongKK [ˋlaɪˋflɔŋ] /ˈlaɪˈflɔŋ/发音形容词1终身的、毕生的She made a lifelong commitment to protecting endangered species.她毕生投入于保护濒临绝种的物种。2一生的、一辈子的They met in college and became lifelong friends.他们在大学认识,成了一辈子的朋友。用这个字练口说→