And they had to form the right chemical chains and molecules in order to create living creatures.

为了创造活的生命，碳分子必须经过一系列正确的化学反应。

Those are the long chemical chains that make up fats.

这些是构成脂肪的长化学链。

This chemical chain reaction allows some hydrogen bombs to generate as much  explosive power as several million tonnes of TNT.

这种化学链式反应使一些氢弹能够产生相当于数百万吨 TNT 的爆炸威力。

These new neutrons were freed to hit more uranium, creating four neutrons, which in turn were freed and created eight, then sixteen and so on, making what's known as a chemical chain reaction.

这些新产生的中子被释放出来撞击更多的铀，产生4个中子，这些中子被释放出来进而产生8个中子，接着16个中子，以此类推，形成所谓的化学连锁反应。