Petit's sinuses
[医] 波替氏窦, 主动脉窦
🧩 词语组成解析
湾, 穴, 窦, 窦房结, 窦道, 鼻窦, 瘘, 瘘管
🗣️ 情景例句
Sure. We've been in business about five years now.
当然。我们创业至今有五年的历史。
The proof of the pudding is in the eating.
空谈不如实验。（实践出真知）
She never pitied me; she never praised me unless what I did was as good as that of the best of a normal person.
她从不怜悯我，她也从不表扬我，除非我所做的事像正常人干的那样出色。