Additive identity
[计] 加性单位元素, 加法恒等元
🧩 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
We spent a lot of time fishing together.
我们以前常常一起钓鱼。
I understand him to be a distant relation.
我听说他是我的一个远房亲威。
Whose is this shirt? Is this yours, Li Lei?
这是谁的衬衫？是你的吗？李磊？