Lean protein, meaning chicken and fish rather than heavy red meat, with fresh vegetables will pass right through your system and restore nutrients to your body.

瘦蛋白质——鸡肉鱼肉而不是红肉，加上蔬菜会顺畅地进入新陈代谢系统并能吸收营养。

youdao

This is the fact that the French tend to eat fatty diets rich in red meat but to have the survival characteristics of those whose diets are lean and vegetarian.

法国人喜欢吃牛羊肉含高脂肪的食物，但却跟那些吃不含脂肪食物及蔬菜的人有一样的生存特点。

youdao

No one is advocating tucking into massive rib eyes or a rack of ribs every day, but if you choose lean cuts and have them a few times a week, lean red meat can be a positive addition to your diet.

没有人鼓吹每天摄入大量的肋眼或肋骨，但是如果你选择精益削减，一个星期只吃几次，红肉一定对你的饮食有积极的作用。

youdao

It is important to take in adequate amounts of lean protein such as chicken, fish, lean red meat, egg whites, low-fat cottage cheese or a protein supplement.

CNN: How should I eat to build muscle mass?

It is also important to eat adequate amounts of high quality lean protein like chicken, fish, lean red meat, lowfat dairy or protein supplements like soy or whey, because your body's ability to absorb protein decreases somewhat with age.

CNN: Should I always lift to muscle failure when weight training?

This is the fact that the French tend to eat fatty diets rich in red meat but to have the survival characteristics of those whose diets are lean and vegetarian.

ECONOMIST: Abolishing ageing