Học từ vựng | Vocabulary learning |chemical


chemical (n)

/ˈkem.ɪ.kəl//ˈkem.ɪ.kəl/

any basic substance which is used in or produced by a reaction involving changes to atoms or molecules

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The government has pledged to reduce the amount of chemicals used in food production
Each year, factories release millions of tonnes of toxic chemicals into the atmosphere
They use special chemicals to accelerate the growth of crops
Organic chemicals are used in the manufacture of plastics, fibres, solvents and paints.

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work overtime , board of directors , break down , construction , convenient time

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