深度学习
dorsal (DOR sul) This adjective comes from the Latin “dorsum” or “back,” and describes something that is located on or near the back or upper sur-face of an organ or organism.
- It was easy to spot Caroline’s horse in the paddock; the black dorsal stripe extending from her mane to her tail contrasted dramatically with her dun-colored body.
- Fearing a shark attack, the vigilant lifeguard demanded that the swimmers get out of the ocean when he spotted the silver wedge of a dorsal fin on an incoming wave.
——摘自《Fiske WordPower: The Most Effective System for Building a Vocabulary That Gets Results Fast》
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背侧（DOR sul）这个形容词来自拉丁语“dorsum”或“back”，描述位于器官或生物体的背面或上表面上或附近的东西。
- 在围场里很容易发现卡罗琳的马；从鬃毛一直延伸到尾巴的黑色背条纹与她暗褐色的身体形成了鲜明的对比
- 由于担心鲨鱼袭击，当这位警惕的救生员在即将到来的海浪上发现背鳍的银色楔形物时，他要求游泳者离开海洋
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