名词边材，白木质
1. 边材：心材(heartwood)指许多树种木材(生材)的横切面上,靠近髓心部分,材色较深,水分较少,称为心材;边材(sapwood)指许多树种木材的横切面上,靠近树皮部分,材色较浅,水分较多,称为边材.
2. 白木质：sapsucker 啄木鸟 | sapwood 白木质 | Sara 萨拉族
3. 邊材;液材;白木質：saproxenous 外來腐生性的 | sapwood 邊材;液材;白木質 | sarcophagy 肉食性
4. 边材; 液材：saprophytism 腐生 | sapwood 边材,液材 | sarcolemma 肌纤维膜
noun
1. newly formed outer wood lying between the cambium and the heartwood of a tree or woody plant
usually light colored
active in water conduction