But trees, once planted, can die and decay or be chopped down for firewood, releasing the carbon they stored back into the atmosphere.

但是，树木被种植以后可能会死亡、腐烂或者发生森林火灾，也就会把他们储藏的二氧化碳重新放回大气层。

youdao

But the poor little motherless child, when she found herself alone in the wood, and saw nothing but trees and leaves, was dreadfully frightened, and knew not what to do.

但是这个可怜的失去母亲的孩子，当她发现她独自一个人在森林里，除了树和落叶她什么也看不到时，感到非常的受惊，不知道该怎么办。

youdao

But for real trees, it's harder to uproot.

但对于真正的树木来说，连根拔起就更难了。

youdao

The satellite images may not show what the farmers are using the trees for, but trees provide nuts,fruit, wood and other products.

VOA: special.2009.09.01

And I don't know why, but since time immemorial that is the way computer scientists have drawn trees.

叶子是在最下面的，我不知道为什么,但从记事以来他们就是这么画树的,这也许就是为什么我们。

麻省理工公开课 - 计算机科学及编程导论课程节选

palm trees everywhere and stuff. But also

遍地都是棕榈树。

关于学校生活 - SpeakingMax英语口语达人

The hillside was once covered in rich vegetation but trees had been felled over time to make room for urbanization and small-scale agriculture.

UNESCO: Ecological Sciences for Sustainable Development

It could kill not only forest trees, but street trees as well, so people may well see some of their prime specimens going from their back gardens.

BBC: By BBC Environment Correspondent Robert Pigott

It is not just the loss of the trees but the loss of the trees for a generation.

BBC: Ash dieback chalara cases confirmed in Essex