Balaenidae
美 英
例句
Any of several whales of the family Balaenidae, characterized by a large head, whalebone plates in the mouth, and absence of a dorsal fin.
露脊鯨:露脊鯨科中的幾種鯨,特征為頭部碩大、嘴邊長有鯨須而無背鰭。