Chromatoptometry
色觉检查
🗣️ 情景例句
He was a dull man and you had to explain things very slowly to him.
他脑筋迟钝，你必须慢慢地给他解释事情。
I haven't seen you for ages.
好久没见了。
It's a pencil-box.
一只铅笔盒