Sinus sigmoideus
<拉>乙状窦
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
You've got lots of time to improve your English.
你已经花了好多时间去提高你的英语水平。
Oh, really? I'm moving there too.
真的？我也会搬到那儿去。
May I have your name, please?
请问尊姓大名？