随着森林老化，一种树会取代另一种树。

One species of tree replaces another as a forest ages.

《柯林斯英汉双解大词典》

这些树紧挨着一起成长。

The trees grew close together.

《柯林斯英汉双解大词典》

那棵树哗啦一声倒了。

The tree fell with a great crash.

《牛津词典》

It's a ladder used to ascend a tree, it's a kind of tool of ascent that's a kind of a tool for getting fruit.

这是用来爬上树的梯子，是一种上升的工具,也是用来摘果子的。

耶鲁公开课 - 现代诗歌课程节选

Well, notice again, on each level of the tree, when I actually do the merging, so this remember, is when I wrote down just the numbers when I bottomed out with the list of size 1.

请注意，在这棵树中的每一层，我真正做合并时，就将每个大小为1的列表中的,数字写下来。

哈佛公开课 - 计算机科学课程节选

Now, the decision tree, if I branch left, it's a binary tree.

现在，这个决策树，如果我走左边的分支，这是一棵二叉树。

麻省理工公开课 - 计算机科学及编程导论课程节选