Pdo
abbr. production design outline 产品设计草图
🗣️ 情景例句
Yes. Here you are.
好的，都在这儿。
A good teacher should always avoid embarrassing his students.
一位好的教师无论何时都应该避免使学生感到难堪。
We have a problem with your order.
你订的货有点问题。