用作名詞 (n.)
The sapwood is yellowish with a hard and heavy heartwood. 邊材微黃色,心材堅硬而且沉重。
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。
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。