Placenta praevia centralis
[医] 中央前置胎盘, 完全前置胎盘
🧩 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
Oh, I'm sorry.
噢，对不起。
My aunt will come to live with me for some days.
我阿姨会来和我住一些日子。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。