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's always made me feel like his own daughter.
他总是让我觉得我是他的亲生女儿。
Make me a cup of coffee, will you?
给我冲杯咖啡，好吗？
That's the trouble, vicar,' answered Bill.
“问题就在这里，牧师，”比尔回答说。