Retrograde menstruation
[医] 逆性月经
🧩 词语组成解析
retrograde
['rɛtrəɡred]
adj. 向后的;退化的;恶化的;次序颠倒的;
vi. 逆行;倒退;退步;
vt. 使倒退;
vi. 倒退地;向后地;
retro向后，倒退+grade步，级→向后退步→退步，堕落
n. 月经, 月经期间\\n[医] 月经, 行经
🗣️ 情景例句
Something that might be surprising to you.
一件也许会让你吃惊的事。
May I refill your drink?
再喝一杯如何？
To their surprise, the precious parcel was full of stones and sand!
令他们吃惊的是，那珍贵的包裹里面装的全是石头和沙子！