Ddf
[计] 数据库描述文件, 开发论证设施
🗣️ 情景例句
In about half an hour. Why?
大约半个小时。为什么问这个？
It's fantastic.
那儿棒极了。
At the time of his death, one person praised him as follows: Future generations, it may be, will hardly believe that such a person as this walked upon this earth.
未来的几代人有可能难以相信，在这个世间曾经有这样的一个人行走过。"