名词
中文翻译：松脂
同义词：
['pine sap', 'pine oil', 'pine tar例句：1. The loggers used the pine-tree resin to waterproof their tents.（伐木工用松脂来防水他们的帐篷。）']
例句：
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1. The loggers used the pine-tree resin to waterproof their tents.
伐木工用松脂来防水他们的帐篷。
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2. The pine-tree resin is a valuable resource for making candles.
松脂是制作蜡烛的一种宝贵资源。
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3. The ancient Egyptians used pine-tree resin to waterproof their tombs.
古埃及人用松脂来防水他们的陵墓。