plant proteins
animal proteins
dietary proteins
protein synthesis
high-protein diet
A: Why should I eat more proteins?
A：我为什么要多吃点蛋白质呢？
B: Proteins are essential for muscle repair.
B：蛋白质对于肌肉修复是必不可少的。
1) 生物化学中的核心成分
2) 由氨基酸构成的聚合物
3) 对生命维持至关重要的营养素
1. 蛋白质
noun
1. Organic substances that are made up of amino acids and are essential for the bodies of animals and people.