Vidian canal
[医] 维杜斯氏管, 翼管
🧩 词语组成解析
🗣️ 情景例句
All right, but be careful.
好吧 ，但你得小心。
It's not your fault.
不是你的错。
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，