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
Nice day, isn't it?
天儿真不错，你说呢？
I'm the bravest woman in my club.
我是我的俱乐部中最勇敢的女人。
I don't care where we go as long as we don't have to stand in line.
不管去哪里，只要不用站着排队就行。