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 are customers of the bank.
我们是贵行的顾客。
Congratulations on your happy new year.
我恭喜你新年快乐。
The porter, however, could not understand me.
然而搬运工却不明白我的话。