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
Good-bye.
再见。
How did you get there?
你怎么去的？
After having spent whole mornings on the river, I always go home with an empty bag.
我总是在河上呆上整整一上午，然后空着袋子回家。