Sinus coronarius
冠状窦
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
冠状动脉的
🗣️ 情景例句
I have never confirmed that the Roswell base exists, but I can't deny it either.
我从没有说过拉兹威基地存在，但我也不会否认。
I couldn't keep the appointment because I was sick.
我不能赴约因为我病了。
Don't worry.
别担心。