Sinus cavernosus
<拉>海绵窦
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
Matches.
火柴。
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
I think we must buy some meat for supper.
我想我必须买一些晚饭吃的肉。