Circularis sinuses
[医] 环状窦
🧩 词语组成解析
湾, 穴, 窦, 窦房结, 窦道, 鼻窦, 瘘, 瘘管
🗣️ 情景例句
I'm calling for your assistance.
我打电话是要您帮助我。
How far is it to the university?
它离大学多远？
Yes, I took it after breakfast.
吃了，我早饭后就吃了。