She had attended a racially mixed school.是什么意思？

She had attended a racially mixed school.

她曾在一所由多种族学生组成的学校读书。

she

pron. 她，它；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

attended

v. 参加( attend的过去式和过去分词 )，注意，听，照顾，[常用被动语态]（作为结果、情况）伴随；

例句
As part of the treatment, he attended 15 weeks of aftercare...
作为治疗的一部分，他接受了15个星期的病后护理。

racially

adv. 按人种地，人种上；

例句
These reforms will abolish racially discriminatory laws.
这些改革措施将彻底废除带有种族歧视的法律。

mixed

adj. 混合的，混杂的，男女混合的，〈口〉头脑混乱的，形形色色的；v. 混合(mix的过去式和过去分词)，（使）结交；

例句
Oils may be mixed with a base oil and massaged into the skin.
将油和基础油混合，按摩直至皮肤吸收。

school

n. 学校，上学，学院，群；vt. 训练，锻炼，教育，教导，约束，给…上学；

例句
I was terrible at school and left with few academic qualifications...
我的学习成绩一塌糊涂，离校时几乎没有学历。