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。

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.

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红色经典文学是红色资源的重要载体，因此，红色经典文学研究亦可视为红色资源传播教育的重要方式。

Classic red literary works are important carrier for red resources. Therefore, studies of the works can also be regarded as an important way to red resource education.

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