Disci opticus
[医] 视神经盘, 视神经乳头
🧩 词语组成解析
[医] 盘, 板, [圆]片
🗣️ 情景例句
A dollar is valued at eight point two RMB yuan.
一美元价值8.2元人民币。
A bird is known by its note, and a man by his talk.
闻其歌知其鸟，听其言知其人。
Hello, Helen.
你好，海伦