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
Tom doesn't enjoy going to school.
汤姆不喜欢上学。
And they are very proud of their son's success in getting a scholarship to Harvard.
他们为儿子获得哈佛的奖学金页感到非常自豪。
I started to sing. The baby watched and listened ,and she didn't cry any more.
我开始唱歌。小孩看着，听着，不再哭了。