形容词
中文翻译：不饱和的
同义词：
['unsaturable', 'unsaturated', 'incompletely saturated']
例句：
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1. The oil is unsaturated and can be used to make paints.
这种油是不饱和的，可以用来制作油漆。
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2.The soil is unsaturated, which means it has a lot of moisture.
土壤是未饱和的，这意味着它含有大量的水分。
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3. The food is unsaturated, which means it contains a lot of fat.
食物是不饱和的，这意味着它含有很多脂肪。