Placenta praevia
[医] 前置胎盘
🧩 词语组成解析
placenta
[plə'sentə]
n. 胎盘，胎座;
[医] 前置的, 在前的
🗣️ 情景例句
He's poor.
他很穷。
How much is it to rent an economy car?
租一辆经济车要多少钱？
He was amused too, because he never expected the bicycle to be found.
但又感到非常好笑，因为他从未指望那辆自行车还能找到。