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
I enjoyed every minute of the party.
这个聚会的每一分钟我都很快乐。
They called us just as we were having dinner.
当我们正在吃晚饭，他们就打电话给了我们。
Spiders are busy for at least half the year in killing insects.
蜘蛛至少有半年在忙于吃昆虫。