| 单词 | sapwood |
| 释义 | sapwood['sæpwud]n. 边材【机】 边材, 白材 sapwood sap.wood AHD: [s²p“w‹d”] D.J. [6s#p7w&d]K.K. [6s#p7w&d]n.（名词）Newly formed outer wood that lies just inside the cambium of a tree trunk and is usually lighter in color and more active in water conduction than the heartwood.边材：树木的树干形成层内的新生木质，通常色泽较浅，传导水分比树心部更为活跃 |
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