名词
中文翻译：多不饱和的
同义词：
['polycyclic', 'polycyclic olefins']
例句：
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1. The oil is composed ofpolyunsaturated fatty acids.
这种油由多不饱和脂肪酸组成。
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2. Polyunsaturated fats are oftenfound in plant-based foods.
多不饱和脂肪通常存在于植物性食品中。
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3. Polyunsaturated oils are knownfor their health benefits.
多不饱和油因其健康益处而闻名。