除了种植更多树木以外,中国还试图恢复草原。
Besides planting more trees, China has tried to bring back grasslands.
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.
我们在小学就已经了解到,树木的每圈年轮代表一年,不过这些同心圆还隐藏这更多的信息。
You learn in grade school that each ring in a tree represents a year. But there's more information hidden away in these concentric rings.
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