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Noun:
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the woody part of plants: the supporting and water-conducting tissue, consisting primarily of tracheids and vessels
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用作名詞 (n.)
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Lignified tissues include SCLERENCHYMA and XYLEM.
木素聚集包涵厚壁聚集和木部。
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The xylem of ferns only contains tracheids.
蕨類動植物的材質部只帶有管胞。
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這些東西獨門劇本創作,受文獻權愛護,抄襲必究
海詞詞典下載,十六年高端品牌