protophloem
/proh-tuh-floh-em/US // ˌproʊ təˈfloʊ ɛm //
原生细胞,原生植物,原生质体,原生动物
Definitions
n.名词 noun
- 1
Botany.
- : the part of the primary phloem that develops first, consisting of narrow, thin-walled cells.
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原生细胞,原生植物,原生质体,原生动物
Botany.