Rdas
[计]= Relational Data Analysis System,关系数据分析系统
🗣️ 情景例句
She was still beautiful at the age of forty.
她活到四十岁仍然很美。
The wise man has long ears and a short tongue.
聪明人耳朵长，嘴巴短。
How long has this factory been open?
这家工厂建成有多久了？