单词	ruthenium red
释义	ruthenium red noun : an ammoniated ruthenium chloride obtained as a brownish red powder and used as a microscopic stain and as a test especially for pectin and gums Word History First Known Use 1893, in the meaning defined above
随便看	imperilments imperious imperiously imperiousness imperiousnesses imperishabilities imperishability imperishable imperishableness imperishablenesses imperishables imperishably imperishingnesses imperium in im imperium in imperio impermanence impermanences impermanencies impermanency impermanent impermanently impermeabilities impermeability impermeabilization impermeabilize

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