1. | 蛋白质a natural substance found in meat, eggs, fish, some vegetables, 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. |
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。 |