Puerpera
n. 产妇
🗣️ 情景例句
Mary, I'm glad you called me.
Mary，很高兴你给我打电话。
I can't recall the exact circumstances.
我不能记起准确的情形。
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。