| 释义 |
sap·wood AHD[săpʹw‹d'] D.J.[ˈsæpˌwʊd]K.K.[ˈsæpˌwʊd]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
|