常见例句雙語例句A whalebone whale(Balaena mysticetus) of Arctic seas, having a very large head and an arched upper jaw.北極露脊鯨,弓頭鯨生活在北冰洋的一種有鯨須的鯨魚(北極露脊鯨露脊鯨屬),具有大的頭部和拱形的上顎。 返回 balaena