名词
中文翻译：林线
同义词：
['forest line', 'timber line例句：1. The timberline is the boundary between the boreal forest and the tundra.（林线是针叶林和苔原之间的分界线。）']
例句：
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1. The timberline is the boundary between the boreal forest and the tundra.
林线是针叶林和苔原之间的分界线。
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2.The timberline has been shifted due to climate change.
由于气候变化，林线已经移动了。
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3.Timberlines are used to mark the location of trees in a forest.
林线用于标记森林中树木的位置。