鸡肉和鱼类富含赖氨酸，有助于肌肉生长和修复。

Chicken and fish are good sources of ___lysine, which helps with muscle growth and repair.

医生建议她服用赖氨酸补充剂来改善饮食中氨基酸的不足。

The doctor recommended taking ___lysine supplements to address the amino acid deficiency in her diet.