Ddf
[计] 数据库描述文件, 开发论证设施
🗣️ 情景例句
Look, can you handle this job or not?
考虑一下，你是否能胜任这份工作？
Little pitchers have great (or large) ears.
小孩子耳朵长。
There's no need for that. We'll have dinner another time.
不必为那件事惭愧。我们改个时间再共进晚餐吧。