Canales opticus
[医] 视神经管
🧩 词语组成解析
[医] 管, 道
🗣️ 情景例句
I don't care how much I have to study. I have to pass this exam.
我不介意要学多少东西。我必须得通过考试。
On the first day of the new year.
新年的第一天。
How many would you like to order?
您要订多少？