Placenta reflexa
[医] 反折胎盘
🧩 词语组成解析
placenta
[plə'sentə]
n. 胎盘，胎座;
[医] 包蜕膜
🗣️ 情景例句
Hobbies are supposed to be relaxing.
业余爱好应该是令人放松的。
I'm reading a book.
我在看书。
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。