Relationship algebra
[计] 关系代数
🧩 词语组成解析
algebra
['ældʒɪbrə]
n. 代数学，代数;
🗣️ 情景例句
You must observe these simple rules.
你必须遵守这些简单的规定。
Can I have a second-class one way ticket to Chicago,please?
请给我一张去芝加哥的单程二等票好吗？
He was so surprised at being discovered that he did not even try to run away.
他由于被人发现而感到非常吃惊，甚至都没有企图逃跑。