protein
🇺🇸
/ˈprəʊtiːn/
🇬🇧
/ˈprəʊtiːn/
A natural substance in all living things that helps build and repair the body. It is important for growth and health.
Eggs are a good source of protein that helps muscles grow strong.
鸡蛋是帮助肌肉强健生长的优质蛋白质来源。