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
Hey, why don't we go out
嘿，我们何不出去
Here are you Chinese Yuan for $ 1000. And your passport and exchange memo.
这是您1000美元所换的人民币。给您护照和兑换清单。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。