英语词汇“companion cell”的意思、释义、用法解释及翻译-双龙斋书画网

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词汇	companion cell
释义	Definition of companion cell in English: companion cell noun Botany (In the phloem of flowering plants) a specialized elongated cell, one or more of which is typically connected to, and regulates the movement of substances into and out of, each sieve cell; (in early use also) †a cell that has recently divided from another (obsolete). Origin Mid 19th century. In later use after German Geleitzelle. Definition of companion cell in US English: companion cell noun Botany (In the phloem of flowering plants) a specialized elongated cell, one or more of which is typically connected to, and regulates the movement of substances into and out of, each sieve cell; (in early use also) †a cell that has recently divided from another (obsolete). Origin Mid 19th century. In later use after German Geleitzelle.
随便看	write something up write/speak/talk about write sth down write sth off write sth up write the book write the book write ticket write to write untidily write-up write up write-ups writhable writhe writhe at writhed writhe in writhe in/with/at writhe in/with/at writhen writher writhes writhe with writhing

　

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