他一直致力于在教育系统内为美籍拉美人和黑人争取权益。He was a champion for Latinos and blacks within the educational system.住房与教育方面的种族不平等现象让黑人深受伤害。Blacks have been hurt by racial inequalities in housing and education.警方并未真正特意为黑人群体做什么.The police ha...
这事很跷蹊.There's something fishy about it.我们对这类事情可不能大意--看样子是有点儿跷蹊.We could not pooh - pooh these things - they had an evil look.富饶的溪谷在蔓延, 下自成蹊苍消暑园.Below a fertile valley spread, with barns and the orchards of summer....
The magnetism and ferroelectricity were detected.在室温下探测到了共存的磁性和铁电性.On the other hand, a high remanent polarization indicates a strong ferroelectricity, which enhances piezoelectric properties.另一方面, 高的剩余极化强度Pr使材料铁电性的增强, 有...