英语词汇“primary xylem”是什么意思，“primary xylem”的读音、用法及例句翻译-烛光网

词汇	primary xylem
释义	primary xylemn.Botany（名词）【植物学】 A type of xylem tissue derived from the procambium.初生木质部：由原成层转变而成的木质组织种类
随便看	innings innkeeper innocence innocence innocences innocencies innocency innocent innocent innocenter innocentest Innocent III innocents innocuous innominate innominate artery innominate bone innominate vein innovate innovated innovates innovating innovation innovations innovative

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