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
He took French leave.
他不辞而别。
From words to deeds is a great space.
言行之间，大有距离。
I like ice-cream.
我喜欢吃冰淇淋。