"Incident" means an event involving the actual or probable discharge into the sea of a harmful substance, or effluents containing such a substance.

“事故”系指涉及实际或可能将有害物质或含有这种物质的废液排放入海的事件。

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Scindapsus called efficient air purifier, Scindapsus can absorb benzene, formaldehyde and trichloroethylene to a harmful substance, therefore, Scindapsus very fit in newly decorated bedroom.

绿萝被称为高效空气净化器，绿萝能够吸收空气中的苯，三氯乙烯和甲醛到呢个有害物质，因此，绿萝非常适合放在刚刚装修好的卧室里面。

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One sign of addiction is using a substance even when it’s known to be harmful.

成瘾的一个迹象就是即使我们知道它有害，但还是会继续实用它。

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Or perhaps the harmful substance is a medicine.

VOA: special.2010.08.17

Last year, Home Secretary Theresa May was allowed to make instant 12-month bans on "any substance deemed potentially harmful", in a measure to control legal highs.

BBC: Legal highs 'worsen mental illness', says Devon mother