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柯林斯词典释义
英英词典释义
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福克斯词典 \ 英汉词典 \

polyunsaturated是什么意思？

polyunsaturated

英[ˌpɒlɪʌn'sætʃəˌreɪtɪd] 美[ˌpɒlɪʌn'sætʃəˌreɪtɪd]

adj. [化]多元不饱和的；

例句

foods that are high in polyunsaturated fats 富含多不饱和脂肪的食物
The equivalent of two tablespoons of polyunsaturated oils is ample each day. 每天相当于两大汤匙多重不饱和油的量就足够了。
Polyunsaturated oils are essential for health. Excess is harmful, however. 多不饱和油对健康很重要。但是，食用过量就会有害。
The equivalent of two tablespoons of polyunsaturated oils is ample each day... 每天相当于两大汤匙多重不饱和油的量就足够了。

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柯林斯高阶英汉双解学习词典释义

ADJ

多不饱和的

Polyunsaturated oils and margarines are made mainly from vegetable fats and are considered healthier than those made from animal fats.
例句
Use poly8.5unsaturated spread instead of butter. 用多不饱和抹酱取代黄油。

英英词典释义

Adjective
1. (of long-chain carbon compounds especially fats) having many unsaturated bonds

行业词典

医学：多不饱和的：指碳链中有多个双键的脂肪酸(例如亚油酸)的；
水产：多不饱和脂肪酸；fatty acid 含多个不饱和双键的长链脂肪酸。；

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