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
Can we catch a cab here?
在这儿能叫到出租车吗？
No pleasure without alloy (or pain or repentance).
乐中有悲。
He was glad to get away with a mere twenty pounds and he beat a hasty retreat, clutching the precious bottle under his arm.
他庆幸自己只破费了20英镑便得以脱身。他把那宝贵的瓶子放在腋下夹着，溜之大吉。