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
That's wrong.
这是错的。
A wise man changes his mind, a fool never will.
智者通权达变，愚者刚愎自用。
and that this happens at a rate which differs little from person to person,
衰老的速度在人与人之间相差甚微，