专家担心道路撒盐危害美国水质

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salinity - n. the amount of salt in something

molasses - n. a thick, brown, sweet liquid that is made from raw sugar

concentrations - n. a large amount of something in one place

organic -adj. grown or made without the use of artificial chemicals

brine - n. a mixture of salty water used especially to preserve or add flavor to food

predominant - adj. more important, powerful, successful, or noticeable than other people or things

corrosion - n. to slowly break apart and destroy (metal, an object, etc.) through a chemical process

amphibians - n. an animal (such as a frog or toad) that can live both on land and in water