暴风雨把一根树枝从树干上刮了下来。

The storm split a branch off from the main trunk.

《牛津词典》

它们为许多动物提供了庇护所，它们的树干和树枝可以变成花园，上面挂着绿色的蕨类植物、兰花和凤梨科植物，覆盖着苔藓和藤蔓。

They provide shelter for many animals, and their trunks and branches can become gardens, hung with green ferns, orchids and bromeliads, coaled with mosses and draped with vines.

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我想去爬白桦树，沿着雪白的通向天堂的树干，爬上乌黑的树枝，直到树身再支撑不住。

I'd like to go climbing a birch tree, and climb black branches along a snow-white trunk toward heaven, till the tree could bear no more.

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