Both types of tea are abundant in certain antioxidant chemicals called flavonoids, which obstruct the action of cell-damaging free radicals.

各种类型的茶都富含有某种被称为类黄酮的抗氧化物质，黄体酮的起防止自由基破坏细胞的作用。

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A new analysis of a collection of studies suggests falling in love is a quantifiable action, with the brain releasing measurable euphoria-inducing chemicals.

一组新的研究分析结果表明，两个人来电是一个可以量化的过程，在这个过程中大脑会释放可测度的化学物质，这些化学物质令人陶醉是可测度的。

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The tidal ground is the key factor which affects the action of spilled chemicals.

潮流场是影响化学品水中行为的主要因素。

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The stimulation came in two forms: pulses of electricity and pulses of chemicals that mimic the action of serotonin and dopamine, two molecules that transmit messages between nerve cells.

ECONOMIST: An experiment on rats brings hope to the paralysed

Wildlife groups are lobbying the government to press for international action to stop chemicals being discharged which affect seabirds.

BBC: Calls to stop PIB discharges at sea after bird deaths

And if the foreign companies who supplied the chemicals can be identified, might some kind of action be considered?

BBC: Magazine