dorsalKK [ˋdɔrsəl] /ˈdɔɹsəl/发音形容词1背部的、背侧的、背的解剖学The shark's dorsal fin cut through the calm water.鲨鱼的背鳍划过平静的水面。2背面的、背部的生物学The leaf's dorsal surface is darker than the underside.这片叶子的背面颜色比下面深。用这个字练口说→