Placenta circumvallata
[医] 轮廓胎盘
🧩 词语组成解析
placenta
[plə'sentə]
n. 胎盘，胎座;
🗣️ 情景例句
That must be Rita Mae.
一定是Rita Mae。
Do you know the exact date?
你知道确切日期吗？
I was astonished.
我很吃惊。