Xylem
['zaɪləm]
解释:
(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
解释:
(n.) That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; -- distinguished from phloem.
霍华德编辑
解释:
n. the woody part of vegetable tissue—opposed to the phloé› or bast part.
博比编辑