我在头脑中有了关于树木的意识，那我如何知道在这之后还隐藏着什么呢。
I have this idea in my mind of a tree how do I know there is anything behind it.
我通过呈现一个关于澳大利亚历史上的树木的戏剧或哑剧来告诉他。
I told him by presenting a play or mime about trees in the history of Australia.
在西欧的一项关于171种森林物种的研究表明，这些树木正在移向海拔更高、更冷的区域。
A study of 171 forest species in Western Europe shows that most of them are shifting their favored locations to higher, cooler spots.
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