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TOEFL IELTS BNC: 2193 COCA: 2523

protein

noun
/ˈprəʊtiːn/
/ˈprəʊtiːn/
[countable, uncountable]
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  1. a substance, found within all living things, that forms the structure of muscles, organs, etc. There are many different proteins and they are an essential part of what humans and animals eat to help them grow and stay healthy.蛋白质
    • essential proteins and vitamins必不可少的蛋白质和维生素
    • protein deficiency蛋白质缺乏
    • Peas, beans and lentils are a good source of vegetable protein.豌豆、豆荚和扁豆是植物蛋白质的丰富来源。
    • Gluten is a protein found in wheat and other grains.面筋是小麦和其他谷物含有的一种蛋白质。
    see also enzyme, textured vegetable proteinTopics Cooking and eatingb2, Biologyb2
    Oxford Collocations Dictionaryadjective
    • essential
    • natural
    • animal
    verb + protein
    • contain
    • supply
    • be high in
    protein + verb
    • be found in something
    protein + noun
    • content
    • level
    • intake
    phrases
    • a source of protein
    See full entry
    Word Originmid 19th cent.: from French protéine, German Protein, from Greek prōteios ‘primary’, from prōtos ‘first’.

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