Pdo
abbr. production design outline 产品设计草图
🗣️ 情景例句
Hey, go to the doctor. That cough sounds bad.
嘿，去看看医生吧，听起来你咳嗽得挺厉害的。
Where there is life,there is hope.
生命不息，希望长在。
Fasten your seat belt.
系好你的安全带。