英语词汇“protoxylem”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	protoxylem
释义	protoxylem /proh'teuh zuy"leuhm, -lem/, n. Bot. the part of the primary xylem that develops first, consisting of narrow, thin-walled cells. [1895-1900; PROTO- + XYLEM]
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