树质

例句：

1. 1. The tree was so tall thatit could be seen from afar.
   这棵树很高，可以从远处看到。
2. 2. The woodis very hard and durable.
   这木材很硬且耐用。
3. 3. The tree's qualityof wood is what makes it valuable.
   这棵树的木材质量是它值钱的原因。