Mr. Goss does not believe in any of this newfangled nonsense about lean meat.

戈斯先生对瘦肉奇谈都嗤之以鼻。

《柯林斯英汉双解大词典》

Fill in the remaining one quarter with lean meat or chicken, fish or eggs.

剩下的四分之一用瘦肉或鸡肉、鱼或鸡蛋填满。

youdao

Lean meat, fish, poultry, eggs, legumes and nuts.

瘦肉、鱼、家禽、鸡蛋、豆类和坚果。

youdao

At the same time, experience the largest population of outsize birds that produce extraordinary feathers, lean meat and distinctively bumpy leather.

FORBES: Magazine Article

It is a lean meat and I'm told used to be widely used overseas to build the strength of patients who were convalescing.

BBC: Horsemeat - food fraud, not food safety

This makes all the difference with a lean meat like turkey: With each wallop, muscle fibers and connective tissue break down and the meat becomes ever more tender.

WSJ: Marc Vetri's Turkey Milanese | Slow Food Fast