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
Do you know anything about South American culture?
你了解南美洲的文化吗？
Money will come and go.
钱乃身外之物。
An old watch, by contrast,
然而一只老掉牙的手表，