noun 下载 🔗分享 视网膜 The thin layer of cells at the back of the eyeball where light is converted into neural signals sent to the brain. Examples : "The doctor examined the patient's retina to check for any damage. " 医生检查了病人的视网膜,看看有没有损伤。 anatomy organ biology medicine physiology 与AI对话词汇游戏阅读练习