Most paper is derived from the pulp of coniferous trees.

大多数纸是由针叶树的纸浆制成的。

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Instead, coniferous trees will invade the aspen grove's borders and increasingly block out sunlight needed by the aspens.

相反，针叶树将侵入白杨树林的边界，越来越多地遮挡白杨所需的阳光。

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The pine and fir are coniferous trees.

松树和枞树都是结球果的植物。

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Of the three types of coniferous trees studied, pines were found to be dying at the fastest rate.

CNN: Global warming threatens forests, study says