Eternod's sinus
[医] 埃特诺氏窦(绒膜与卵黄囊之间的血管袢)
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
Not very good, I'm afraid, but I do play it a lot. Do you play, by any chance?
不怎么擅长，但我确实经常打。你有机会打球吗？
If it doesn't rain tomorrow, I think I'll run some errands.
如果明天不下雨的话，你会打电话给我吗？
I haven't heard from her for a long time.
我好久没有她的消息了。