Energy-storing bricks: A new renewable energy potential
© The D’Arcy Laboratory in Washington via CNN Vocabulary: embed /em-BED/ [verb] — to fix something firmly into a substance The arrow embedded itself in the tree trunk. advance /ad-VANS/ [verb] — move forward The troop of soldiers advanced to the military camp later that afternoon. porous /PAWR-uhs/ [adjective] — something that is porous has many small holes, so liquid or air can pass through, especially slowly Some rocks are porous; some are not. component /kuhm-POH-nuhnt/ [noun] — a part that combines with other parts to form something bigger Water is a mixture of the chemical components hydrogen and oxygen atoms. commercially /kuh-MUR-shuhl-lee/ [adverb] — in a way that relates…
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