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
Besides, we are not going to be here Saturday.
另外， 我们星期六将不在这儿了。
He that hath a full purse never wanted a friend.
金钱满袋，朋友盈门；钱袋装得饱，朋友不会少。
At the end of the road you'll see the hospital. It'll take you about half an hour.
在那条路的尽头你就会看见那所医院。到那儿大约要半个小时。