名词
中文翻译：松针
同义词：
['pine cone', 'pine twig']
例句：
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1.The loggers were busy collecting the pine needles for firewood.
伐木工正在忙着收集松针作为柴火。
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2.The pine needles are a natural insulator, keeping the house warm in winter.
松针是一种天然的绝缘材料，冬天可以保持房屋温暖。
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3.The hikers found a pine needle nestled in the forest floor.
徒步旅行者在森林地面上发现了一个松针巢穴。