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
I can assure you that as long as you stay at home, you're safe.
我可向你保证，只要你呆在家里就会很安全。
The shortest answer is doing the thing.
最简短的回答就是干。
The wall has ears.
隔墙有耳。