Although the fossil skull lacked the anatomy necessary for hearing directionally in water (a critical skill for living whales), it clearly had the diagnostic cetacean ear traits.
Although the fossil skull lacked the anatomy necessary for hearing directionally in water (a critical skill for living whales), it clearly had the diagnostic cetacean ear traits.
虽然那个化石头骨缺少在水中听方位（现生鲸豚不可或缺的本领）所需的构造，却有鲸豚类特有的耳朵特徵，一点都不含糊。