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
And these are pictures of people working:steelworkers, bankers, police, street vendors,ambulance drivers, doctors….
这是工作中人们的照片：钢架工人、 银行职员、警察、街头小贩、救护车驾驶 医生等等……
I can't tell what will happen.
我可说不出将会发生什么事。
I think you got it last time.
我记得上回也是你请的。