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
if that will help.
假如那样有所帮助的话。
Adversity makes strange bedfellows.
身处逆境不择友。
You can say that again.
我同意。