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
and the problem is that it's set up primarily for kids to play.
而问题是它主要是让孩子们去玩的。
What was the weather like yesterday?
象昨天一样的天气？
The conference was very well organized. Everything began and finished on time.
会议安排的很好。开始和结束都准时。