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
Will you be all right?
你不会有问题吧？
In university, students are trained to become teachers and engineers.
大学的学生被训练成为教师和工程师。
What should I do?
我该怎么办？