Placenta previa
前置胎盘
🧩 词语组成解析
placenta
[plə'sentə]
n. 胎盘，胎座;
[医] 前置的(如胎盘)
🗣️ 情景例句
What made you change your job so frequently?
为什么你经常转工？
A faithful friend is hard to find.
益友难得。
the famous clock which can be heard all over the world on the B.B.C.
即那座从英国广播公司的广播中全世界都可以听到它的声音的著名大钟。