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. 蛋白質 essential proteins and vitamins 必不可少的蛋白質和維生素 protein deficiency 蛋白質缺乏 Peas, beans and lentils are a good source of vegetable protein. 豌豆、豆莢和扁豆是植物蛋白質的豐富來源。 Gluten is a protein found in wheat and other grains. 面筋是小麥和其他谷物含有的一種蛋白質。
Oxford Collocations Dictionaryadjective- essential
- natural
- animal
- …
- contain
- supply
- be high in
- …
- be found in something
- content
- level
- intake
- …
- a source of protein
Word Originmid 19th cent.: from French protéine, German Protein, from Greek prōteios ‘primary’, from prōtos ‘first’.