Area centralis
[医] 中央区(视网膜)
🧩 词语组成解析
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
An apple a day keeps the doctor away.
每天一个苹果不用看医生。
It can't be helped.
无能为力。
Who was it?
谁打来的电话？