单词	dextran
释义	dextran noun dex·​tran ˈdek-stran  -strən : any of numerous glucose biopolymers of variable molecular weight that are produced especially by the fermentation of sucrose by bacteria (such as genus Leuconostoc), are found in dental plaque, and are used especially in blood plasma substitutes Word History Etymology International Scientific Vocabulary First Known Use 1879, in the meaning defined above Medical Definition dextran noun dex·​tran ˈdek-ˌstran  -strən  : any of numerous biopolymers (C6H10O5)n of variable molecular weight that are produced especially by the fermentation of sucrose by bacteria of the genus Leuconostoc (as L. mesenteroides), are found in dental plaque, and are used especially after suitable chemical modification as blood plasma substitutes, as packing materials in chromatography, and as pharmaceutical agents compare levan
随便看	sings sings (out) sings of sings out singsong singsong girl singsonged singsonger singsongest singsonging singsongs singsongy singspiel singspiels singspiration singular singular integral singular point singular proposition singular solution singular square matrix singular statement singular succession singular syllogism singular universal

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