英语语法结构Everyone is treated equally,irrespective of race...请问i

Everyone is treated equally,irrespective of race...
请问irrespective of race这里形容词短语作什么成分?
为你解答如下：
irrespective of race 形容词短语作让步状语,
可以改为下面的让步状语从句结构
=No matter what race he is ,everyone is treated equally
=Everyone is treated equally no matter what race he is
相当于一个让步状语从句
（1）每个都应该平等地被对待,不论什么种族.
（2）不论什么种族,每个都应该平等地被对待.
irrespective of
英 [ɪrɪˈspektɪv əv] 美 [ˌɪrɪˈspɛktɪv ʌv]
不顾的,不考虑的,无论；在所不计；不计
1.He is going to buy it irrespective of what you say.
不管你说什么,他是买定了.
2.He is going to buy it,irrespective of what you say.
不管你说什么,他是买定了.
3.This service should be available to everybody,irrespective of whether they can afford it.
这项服务应该面向所有人,不管他们是否负担得起.
4.Reproduction is constant irrespective of climate and other variations.
不管气候与其他环境条件如何变化,繁殖能力维持恒定.
5.He married her,irrespective of the will of his parents.
他违背父母的意愿与她结了婚.
race英 [reɪs] 美 [res]
n.赛跑；竞争；人种；民族
v.参加比赛；使比赛；快速移动；剧烈跳动
比赛； 黄婉佩； 种族； 赛跑
复数：races
过去式：raced
过去分词：raced
现在分词：racing
第三人称单数：races

插入语，压根不做句子成分

irrespective of race作主语补语