Last week, the Trump administration said it is loosening restrictions on air toxins from mercury, lead and other heavy metals that are released by coal plants. Such pollution is known to be neurotoxic and has been linked to irreversible brain damage in children and infants, as well as heart disease and cancer in adults.
* @param arr 原数组
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def close(self) - None:
因雾，往山西方向禁止所有车辆上站的路段有：
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「就像帶小朋友一樣，難道你把小朋友放在門口，然後自己進去吃東西？那是很不負責任的做法。」
unsigned int ref;，更多细节参见heLLoword翻译官方下载