Over several decades China's industrial boom has caused widespread contamination by heavy metals such as lead and cadmium, resulting in a silent health epidemic that can be difficult to spot.
近几十年来，中国的工业荣华已导致大面积重金属(如铅和镉)净化，形成可能难以察觉的无声的公共卫生危机。
Over several decades China's industrial boom has caused widespread contamination by heavy metals such as lead and cadmium, resulting in a silent health epidemic that can be difficult to spot.
近几十年来，中国的工业荣华已导致大面积重金属(如铅和镉)净化，形成可能难以察觉的无声的公共卫生危机。
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