When this pathway activates, the neurotransmitter starts a chain reaction.

当这一途径激活时，神经递质开始连锁反应。

In other words, she hoped to start a chain reaction.

换句话说，她希望引起一个连锁反应。

It was this chain reaction which created the first living cells and eventually, humans.

正是这种链式反应创造了第一批活细胞，并最终创造了人类。

Those compounds interacted with other molecules in the cells and set off chain reactions.

这些化合物与细胞中的其他分子相互作用，引发连锁反应。

Today our saying is " a chain reaction" , from the movie " I'm Not Ashamed" .

今天我们的短语是 a chain reaction，出自电影《我不以为耻》。

The result is a chain reaction in which more and more protein ends up as prions.

这个链式反应使越来越多的蛋白质变成朊病毒。

Plutonium can sustain a chain reaction and can be mined from the waste to make bombs.

钚可以经受连锁核反应并可以从残渣中被挖掘出来制造新的炸弹。

Binding of acetylcholine to its receptor activates a chain reaction in the muscle cell that ultimately results in muscle contraction.

ACh与其受体结合激活了肌肉细胞的连锁反应，最终导致肌肉收缩。

" It'd be a chain reaction." He pointed to the floor.

“这将是一个连锁反应。”他指着地板。

And once one slab goes, it's just a chain reaction.

一旦一块板脱落，就会产生连锁反应。

One day they could hit enough satellites to initiate an unstoppable, destructive chain reaction.

有一天， 它们可以击中足够多的卫星，从而引发不可阻挡的破坏性连锁反应。

So how low can we go, and how can we engineer a chain reaction?

那么我们能走多低，我们如何设计连锁反应？

442.if I wanted there to be a chain reaction of disasters...

是否希望发生一系列灾难的连锁反应。

By chance, a champagne bottle broke and caused a chain reaction.

偶然地，一瓶香槟酒爆了，引起了一系列的反应。

And these molecules could react and start a sort of a reaction chain that would eventually lead to something like a biomolecule.

这些分子可以反应并启动一种反应链，最终产生类似生物分子的东西。

He discovers the ability to initiate a chain reaction and thus produce a large amount of energy.

他发现了引发连锁反应并由此产生大量能量的能力。

So, this is a chain reaction where one action causes a whole other string, a chain of actions.

所以，这是一个连锁反应，其中一个动作会导致另一个完整的字符串，一个动作链。

This process called nuclear fusion releases energy while creating a chain reaction that allows it to occur over and over and over again.

这一过程被称为核聚变，在释放能量的同时产生连锁反应，使其能够一次又一次地发生。

I have this theory that if one person can go out of their way to show compassion, it could start a chain reaction.

我有这样一个理论，如果一个人能够竭力展现同情心，那么就会引起一个连锁反应。

We're using catalysts that can break down plastics by basically unlocking a mechanism that allows the plastic to have a chain reaction with itself.

我们使用的催化剂可以分解塑料，通过释放一种机制，使塑料能够与自身产生连锁反应。