Sigmoid sinus
乙状窦
🧩 词语组成解析
a. S字形的, 乙状结肠的, C字形的\\nn. 乙状结肠
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
and maybe you can help me set the table.
也许你能帮我摆桌子。
Politeness is to do and say the kindest thing in the kindest way.
文雅就是善良地做事，和善地说话。
Were there any exciting incidents during your journey?
你们在旅行中有没有什么令人激动的事情？