Leukoscope
[医] 色盲测验器
🏥 医学释义
色盲测验镜
🗣️ 情景例句
Oh no! Is it serious?
噢， 糟糕， 严重吗？
Do you have some post cards?
你有明信片吗？
But this does not matter, for, as he has often remarked, one is never too old to learn.
但这没有关系，因为正如他常说的那样，人要活到老学到老。