樹木的英文：
1.a tree; timber

tree是什么意思：
n. 树，木料，树状物
v. 赶上树；爬上树；逃上树

The trees are sparse.
树木稀疏。

The trees are in blossom .
树上鲜花盛开。

the parent tree
母树

Such a tree may be at odds with a scientific tree.
这种树，可能与科学上的树有区别。

Deciduous trees: Hardwood trees which shed their leaves.
落苣树:年落苣的硬木树。

timber是什么意思：
n. 木材，木料；素质；林场

The timber has been seasoned well.
这木材现在已干燥可用了。

The damp has started the timbers.
潮湿已使梁木弯翘了。

He used to be a timber merchant.
他曾是一个木材商。

Seasoned timber does not warp.
经干燥处理的木材不会翘曲。

This illustration shows a section through the timber.
本图所示为木材的纵剖面。