我开始认识到自然界是如何攻克这个难题的。

I began to see how nature beat this problem.

youdao

无线电波广泛存在于自然界中，从声波、光波到空间中的宇宙射线。

Radio waves exist in nature, from sound and light to cosmic rays in space.

youdao

在自然界中如果不涉及到两个物体就不可能有作用力。

There can never be a force acting in nature unless two bodies are involved with.

youdao

在自然界中如果不涉及到两个物体就不可能有作用力。

There can never be a force acting in nature unless two bodies are involved with.

youdao