Sinus sigmoideus
<拉>乙状窦
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
You do a pretty good job on the Riverdale High School paper.
你在Riverdale高中校刊做得有声有色。
He lives long that lives well.
活得好等于活得长。
'I've been coming up here night after night for weeks now.
“好几个星期了，我天天夜里到钟楼上来。