Placenta praevia totalis
[医] 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
That's OK.
没有关系。
Could all of you take your seats? We need to continue our meeting.
请你们各位就坐好吗？我们要继续开会了。
She heard the front door open and heavy footsteps in the hall.
她听见前门被打开，走廊里响起重重的脚步声。