| 1. | Sapwood contains xylem vessels, but not as strong as heartwood .
边材含有木质导管，但不如中心木质那样坚硬。 |
| 2. | Test method for penetration of preservatives in wood and for differentiating between heartwood and sapwood
木材防腐剂渗透性和木材心材和边材之间分化的试验方法 |
| 3. | Standard test methods for penetration of preservatives in wood and for differentiating between heartwood and sapwood
木材中防腐剂渗入度及心材和边材间差异的标准试验方法 |
| 4. | The wood varies in colour from a flesh shade to a light reddish - brown with little distinction between heartwood and sapwood
木材颜色从肉色到淡红褐色不等，边材和心材区别很小。 |
| 5. | Many plants accumulate tannins , particularly in leaves , fruits , seed costs , bark , and heartwood
许多植物都会积累鞣质，尤其是在叶片、果实、种皮、树皮和木材之中的心材之类的地方。 |
| 6. | Richard roberts worked on some interesting compounds in the heartwood from a brazilian tree and quickly had enough material for his thesis
Richardroberts以一棵巴西树木中心木质所含的化合物为研究课题，很快便?集到撰写博士论文的素材。 |
| 7. | I trust that following the successful launching of the wine fulfilment service today the heartwood collection will be well received by the public in hong kong
我深信经过今日这个开展仪式之后， heartwood精选系列的葡萄酒必定会成为本地酒国知音的心头好。 |
