sapwood

英 ['sæpwʊd] 美 ['sæpwʊd] n. 邊材；白木質

用作名詞 (n.)

1. The sapwood is yellowish with a hard and heavy heartwood.
   邊材微黃色，心材堅硬而且沉重。
   
2. The narrow band of sapwood is very similar in colour to the heartwood.
   邊材的窄帶顏色與心材非常相似。