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
How do you want your hot dogs?
你的热狗想要什么调料？
Every extremity is a fault.
万事过分都差误。
He's going to school.
上学。