Valsalva's sinus
[醫] 瓦耳薩耳瓦氏竇, 主動脈竇
?? 詞語組成解析
n. 竇, 靜脈竇, 凹陷處
??? 情景例句
That sounds exciting.
聽起來怪熱鬧的。
My brother wants to learn how to fly a plane.
我的兄弟要去學開飛機。
Right. See you.
好吧。再見。