水上摩托车除了固有的操作风险外，逐渐被证明一种环境公害。
In addition to the inherent operational hazards of water scooters, they are proving to be an environmental nuisance.
WHO说环境公害能引起流产，死胎，低出生体重和先天缺陷。
WHO says environmental hazards can cause miscarriage, still birth, low birth weight and birth defects.
金属矿采选产生的金属污染、矿山酸性废水已成为两大环境公害。
Metal pollution and mine acid water produced in the mining and mineral processing of metal mines have become two major public dangers to environment.
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