Sinus sigmoideus
<拉>乙状窦
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
The two sistes are very much alike.
这两姐妹长得非常相像。
She passed her competitive examination not without difficulty.
她好不容易才通过了答辩考试。
He earned enormous sums of money and was paid as much as
100 for a single appearance.