im·pu·ber·al /(ˈ)ɪmˈpjubɝəl/ 形容詞 未成年的,無陰毛的
Im·pu·ber·al a. Not having arrived at puberty; immature. In impuberal animals the cerebellum is, in proportion to the brain proper, greatly less than in adults. --Sir W. Hamilton. ◄ ►