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
It probably means we can't stay.
看来我们不能待在这儿了。
To fall off a bench
从长椅上掉下来
Hello. Here's your eraser. Thanks very much!
给你橡皮。谢谢。