Xylem

['zaɪləm]

(noun.) the woody part of plants: the supporting and water-conducting tissue, consisting primarily of tracheids and vessels.

录入:泽维尔--From WordNet

(n.) That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; -- distinguished from phloem.

霍华德编辑

n. the woody part of vegetable tissue—opposed to the phloé› or bast part.

博比编辑