这些反应影响着我们的遗传密码的表现方式：每个基因是如何被加强或削弱，甚至其作用机制是如何被打开或关闭，从而构成我们的骨骼、大脑以及身体的其他部位的。
These reactions influence how our genetic code is expressed: how each gene is strengthened or weakened, even turned on or off, to build our bones, brains and all the other parts of our bodies.
至于说到改写核武器规则，一些国家会抵制使用核不扩散条约会议加强作用严重削弱的条约，理由是，一些核大国做的仍然不够。
As for rewriting nuclear rules, some governments will resist using the NPT conference to strengthen the badly weakened treaty on the ground that the nuclear powers have still not done enough.
气候变化会削弱还是加强季风，这点还不清楚。
It's unclear whether climate change will weaken or intensify monsoons.
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