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首頁英語詞典cambiumcambium英英釋意

cambium

英 ['k?mb??m] 美['k?mb??m]
  • n. [植] 形成層；新生組織

英英釋意

1. formative one-cell-thick layer of tissue between xylem and phloem in most vascular plants that is responsible for secondary growth
2. the inner layer of the periosteum