斯内普用自来水金笔填写了一张收据。
Cerling 的团队收集了600个城市的自来水样本,绘制了一张区域差异分布图。
Cerling's team collected tap water samples from 600 cities and constructed a map of the regional differences.
看看俄亥俄州曾斯维尔,这是一张律师制作的在自来水厂地图,看到那些房子,谁家连着用水?
Look at Zanesville, Ohio. Here is a map a lawyer made, put on at the water plant, seeing which houses are there, which houses have been connected to the water?
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