他们清理了这条河，这是为期一周的环保营的一部分。
They cleaned up the river as part of a week-long environmental camp.
作为全国手机回收周活动的一部分，环保局正与手机供应商共同努力，希望一起说服人们回收他们的旧手机。
As part of National Cell phone Recycling Week, the agency is working with mobile phone companies to encourage people to recycle their phones.
“这是一个巨大的改变，我们可以用更环保、更持续的方法来让电网实现频率的调整。” 灯塔公司首席执行官比尔·凯普上周在华盛顿出席电网周（GridWeek）大会时说道。
"It will signal a dramatic shift to a cleaner, more sustainable method of providing frequency regulation on the grid," Beacon CEO Bill Capp told the GridWeek conference in Washington last week.
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