Retinometer
视网膜计
🗣️ 情景例句
Are you planning to attach a train to it?
准备加拖地裙摆吗？
As the old cock crows, so doth the young.
有其父必有其子。
I didn't know he was the richest person in the world.
我不知道他是世界上最有钱的人。