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
Can you weigh this for me?
你能帮我称称这（包裹）吗？
Shame they won't be there.
可惜他们将不在那儿。
Indeed they can have a delightful surprise when they find something useful which they did not know they owned.
确实，一旦无意之中从自己的收藏品中找到某件有用的东西时，可以给人一种惊喜的感觉。