Regulate nerve, eliminating urgency to improve anti-stress and anti-infection and reduce morbidity. promote growth and development, muscle red, reduced moulting time, so feather light oil powder;

调节神经，消除紧迫，提高抗应激和抗感染能力，减少发病。促进生长发育，肌肉红润，缩短换羽时间，使羽毛油粉光亮；

youdao

The muscles need oxygen to make energy. And the molecule that carries oxygen to muscle contains iron. Guess what color iron is in the fish? Red.

肌肉需要氧气来制造能量，而负责输送氧气到肌肉里的小分子载体含有铁元素。猜猜铁元素在鱼肉里呈什么颜色？红色。

youdao

Via the mapping technique, the hibernating muscle appears as red, while the healthy muscle is blue.

通过定位仪器，这些冬眠心肌显现红色，而健康心肌是蓝色。

youdao

Scientists have already identified the genes responsible for building muscle and increasing red cell production.

BBC: Testing times: Injecting reality into the war on doping

The Cardinals kept on losing after moving to their current hometown of Phoenix in 1988, but by then Bidwill had hardened into a brash, muscle-bound federal prosecutor wearing red power neckties.

FORBES: Magazine Article

But this is just one of four massively overpowered domestic speed demons you can drive on 30 miles of open road through scenic Red Rock Canyon with the brand new American Muscle Car Driving Experience.

FORBES: Drive Really Fast