/ˈdɔ:sl ||; ˈdɔrsḷ/adj (onlybeforea noun 只用于名词前) on or connected with the back of a fish or an animal （动物）背部的，背上的: a shark's dorsal fin 鲨鱼的背鳍 ☞Compare pectoral and ventral. 与pectoral及ventral比较。