Identity relation
[计] 等同关系, 恒等关系式
🧩 词语组成解析
identity
[ai'dentiti]
n. 身份;[逻]同一性;个性;[数]恒等（式）;
🗣️ 情景例句
What's the problem, Richard?
有什么问题吗 Richard
A faithful friend is hard to find.
益友难得。
He called out to the children and threw the ball back to the bank.
他大声叫着那些孩子，把球扔回到岸上。