Sinus sigmoideus
<拉>乙状窦
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
He's upset over the fact that he wasn't promoted this year.
他对今年没有升迁感到恼怒。
I meet the boy whose aunt is a musician.
我遇到那个男孩的姑妈是音乐家。
We're going to watch a football game. Would you like to come too?
我们打算看一场足球赛。你也来好吗？