名词

1. 蛋白质
Protein is a substance found in food and drink such as meat, eggs, and milk. You need protein in order to grow and be healthy.

1. any of a large group of nitrogenous organic compounds that are essential constituents of living cells
consist of polymers of amino acids
essential in the diet of animals for growth and for repair of tissues
can be obtained from meat and eggs and milk and legumes

e.g. a diet high in protein