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

词汇	protophloem
释义	pro·to·phlo·em AHD[prō'tə-flōʹĕm'] D.J.[ˌprəʊtəˈfləʊˌem]K.K.[ˌprotəˈfloˌɛm]n.（名词） The first formed phloem that differentiates from the procambium.原生韧皮部：首次形成的韧皮部，用来区别原生层
随便看	expendable expendables expended expending expenditure expenditure expenditures expends expense expense account expensed expenses expensing expensive expensive experience experienced experienced experienced experiences experiencing experiential experiment experiment experimental

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