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 roads are packed with holiday makers.
路上挤满了度假的人。
Aren't you relieved that your puppy was finally found?
你的小狗终于找回来了，你应该安心了吧？
To make matters worse, the room is rather small, so I have temporarily put my books on the floor.
更糟糕的是房间还非常小，所以我暂时把书放在了地板上。