Ddf
[計] 數據庫描述文件, 開發論證設施
??? 情景例句
Richard and Marilyn bought it for me for my birthday.
這是Richard和Marilyn送給我的生日禮物。
The cruelest lies are often told in silence.
最殘酷的謊言常以沈默的方式說出。
What are you doing this evening?
今晚你打算干什么？