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
What shades of lipstick do you sell?
你们卖的口红有什么颜色的？
You have also made some readjustment in your import and export business, have you?
你们的进出口贸易也有一些调整，对吗？
' I looked down and nearly fell off the ladder when I saw a policeman.
”我向下面看去。当我看清是一个警察时，差一点儿从梯子上掉下去。