Intraluminal
a. 管腔内的\\n[医] 管腔内的
🗣️ 情景例句
Why?
为什么？
A true friend is known in the day of adversity.
疾风知劲草，患难知友情。
I have just received a letter from my brother, Tim.
我刚刚收到弟弟蒂姆的来信，