Children were not colour-coded at all until the early 20th century: in the era before domestic washing machines all babies wore white as a practical matter, since the only way of getting clothes clean was to boil them.
直到20世纪初，儿童才开始被按颜色进行区分：在家用洗衣机出现之前的时代，所有婴儿都穿白色衣服，这在实际中是合理的，因为当时唯一清洁衣物的方法就是煮沸。
But that message did not play well with many in Iowa, where wind turbines dot the fields and provide 36 percent of the state’s electricity generation – and where tech giants like Microsoft are being attracted by the availability of clean energy to power their data centers.
但这一信息在爱荷华州并不受欢迎，该州田野中遍布风力涡轮机，为该州36%的电力供应提供了保障——而且科技巨头如微软正因该州清洁电力的充足供应而被吸引来建设数据中心。
tech giants are investing in clean energy
科技巨头正在投资清洁能源
there is a shortage of clean energy supply
清洁能源供应存在短缺
Seven months and one election day later, a new conservative city council suspended enforcement of the clean air zone, a first step toward its possible demise.
七个月加一天选举日后，一个新的保守派市议会暂停了清洁空气区的执行，这是该区域可能被废除的第一步。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。