protoxylem
/proh-tuh-zahy-luhm, -lem/US // ˌproʊ təˈzaɪ ləm, -lɛm //UK // (ˌprəʊtəˈzaɪləm) //
原生态,原生型,原生代,原生质感
Definitions
n.名词 noun
- 1
Botany.
- : the part of the primary xylem that develops first, consisting of narrow, thin-walled cells.
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