Ppd
a. 邮费付讫的
🗣️ 情景例句
Do you enjoy reading together?
你们喜欢在一起朗诵吗？
He who cannot hold his peace will never live at ease.
嘴巴不紧，生活不宁。
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。