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
Keep your chin up.
别灰心。
Can you give me some feedback?
你能给我一些建议吗？
It is not long before they are so accustomed to swimming that they can pick up weights from the floor of the pool.
他们很快便适应了游泳，以致能捡起池底的物品。