Rdas
[计]= Relational Data Analysis System,关系数据分析系统
🗣️ 情景例句
I started traveling twenty-four hours ago.
从出门到现在已经二十四小时了。
You're very cheerful today.
你今天很快活。
The old lady was glad to be back at the block of flats where she lived.
老妇人回到了她居住的公寓楼，心里很高兴。