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
After forty-eight hours.
四十八小时后。
Why are all those toys broken?
那些玩具为什么统统坏了？
They are constantly after the turtles, who peacefully submit to all sorts of indignities.
它们经常追逐海龟，海龟则温顺地忍受着各种侮辱。