There are numberless hunter-gatherers in Amazonia, living along branches of the world's largest river tree.

在亚马逊流域，有无数的狩猎采集者，他们生活在世界上最大的沿河生长的树木的枝干上。

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They pulled down a tree and put it over the river as a bridge.

他们推倒了一棵树，把它架在河上当作桥。

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Let's climb the tree by the river.

我们去爬河边那棵树吧。

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He was about half way across the river when the tree trunk moved suddenly, John fell from it onto the ice.

VOA: special.2010.06.26

If he crossed the river on this tree, he would be home in an hours.

VOA: special.2010.06.26

He saw a large straight tree growing by the river.

VOA: special.2010.06.26

He said a bridge has been damaged and a tree washed down the river.

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Rising school attendance, environmental progress - such as tree-planting and river bank strengthening - are all welcome improvements.

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In the other direction, a wheelchair-accessible boardwalk heads 300m along the banks of the Pieman River to an ancient Huon pine tree.

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