Petit's sinuses
[醫] 波替氏竇, 主動脈竇
?? 詞語組成解析
灣, 穴, 竇, 竇房結, 竇道, 鼻竇, 瘺, 瘺管
??? 情景例句
Yes, indeed.
是的 ，原來如此。
You can count on me.
包在我身上。
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你們離開實驗室前，務必要關上電源，關好窗戶。