Dr. Helfand said that scientists today are tracking large space rocks that are potentially hazardous.

赫尔方博士称目前科学家正着手追踪那些能给地球带来潜在威胁的大型太空岩石。

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Immediately clean up spilled medicines, drugs, flammable liquids, and other potentially hazardous materials.

立刻清理泄露的药物、可燃液体，以及其他潜在的有毒物质。

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A report by Switzerland's Paul Scherrer Institute estimates that DAMS are the most potentially hazardous source of energy.

瑞士PSI研究所的一份报告揭示了水坝是第一潜在风险源。

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Delaine says many of them come from the coastal oil industry and contain potentially hazardous material.

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Rosneft would be able to tap into BP's expertise in exploring in difficult and potentially hazardous conditions.

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Mainzer said between 20% and 30% of the estimated 4, 700 potentially hazardous objects have been discovered so far.

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