名词
中文翻译：云杉树
同义词：
['larches', 'fir tree', 'spruce tree']
例句：
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1.The larch-trees in the forest are tall and majestic.
森林中的云杉树高大而壮观。
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2.The larch-trees provide a natural habitat for many birds.
云杉树为许多鸟类提供了天然的栖息地。
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3.The larch-trees were once abundant in this region, but now they are endangered.
这些云杉树曾经在这个地区非常繁盛，但现在它们正面临濒危的威胁。