Ddf
[计] 数据库描述文件, 开发论证设施
🗣️ 情景例句
Thank you for your understanding and cooperation in this matter.
谢谢你们对此事的理解和合作。
Laugh, and the world laughs with you; weep, and you weep alone.
你笑，人人陪你笑；你哭，惟独你自哭。
Is there a river in the picture?
画里有一条河吗？