protein

坚果和鱼都含有蛋白质。

Nuts and fish both contain ___protein.

坚果和鱼类都是蛋白质的优质来源。

Nuts and fish are both excellent sources of ___protein.

充足的蛋白质摄入对肌肉生长和修复至关重要。

Adequate ___protein intake is crucial for muscle growth and repair.