sap·wood 
(săpwd′)
(săpwd′)n.
The newly formed outer wood located just inside the vascular cambium of a tree trunk and active in the conduction of water. Sapwood is usually lighter in color than heartwood.
| 单词 | sapwood |
| 释义 | sap·wood (săpwd′)n. The newly formed outer wood located just inside the vascular cambium of a tree trunk and active in the conduction of water. Sapwood is usually lighter in color than heartwood. |
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