Relational database theory
[计] 关系数据库理论
🧩 词语组成解析
n. 学说;理论;原理;推测;
theor思考 + y 抽象名词 → n. 理论,原理;学说;意见,看法
🗣️ 情景例句
I've thought about that for some time.
我已经想过一阵子了。
What time did you get up yesterday morning?
你昨天早上什么时间起床?
Have you ever been bitten by a dog?
被狗咬过吗,你?
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