For example, the average duration of human life has hardly changed in thousands of years.
例如，人类的平均寿命在几千年里几乎没有改变。
Of things turning out contrary to one's wishes, another can be added: a great invention in medicine leads to a sharp increase in the average span of human life.
例：关于事与愿违的实例除了……以外，不妨再举一个：一项伟大的医药发明大大延长了人们的寿命。
Even in the EU, average life expectancy is 8.6 months lower due to exposure to PM2.5 produced by human activities.
即便在欧盟国家中，由于暴露于人类活动产生的PM 2.5，人均期望寿命也减少8.6个月。
Nearly 30 years ago James Fries at Stanford University School of Medicine put a ceiling of 85 years on the average potential human life span.
约30年前，斯坦福大学医学院的JamesFries把人类平均寿命的可能上限定为85岁。
Due to the sense of importance of health, the average life of human is increasing gradually.
由于人们不断地增强健康重要性的意识，人们的平均寿命都在逐渐的增长。
This turns out to be an nearly impossible task for the average human brain unless you dedicate your entire life to it from childhood. Even then, most will not succeed.
对于普通人脑来说这几乎是一个不可能的任务，除非你从孩提时代起就投入整个人生的精力来完成，即使如此，大多数人仍旧难以成功。
On the other hand, in medicine, human beings will be able to solve all of the disease, the average life expectancy of mankind can reach 125 years old.
另一方面，在医学上，人类将可以解决所有的疾病，人类的平均寿命可以达到125岁。
Cat experts say she has clocked up the equivalent of 172 human years - and cats live to be about 15 on average which means Lucy has more than doubled her life expectancy.
猫科专家说，猫的平均寿命只有15岁，而露西已经活了39岁，相当于人类的172岁，比一般猫的寿命超出了不止一倍。
Cat experts say she has clocked up the equivalent of 172 human years - and cats live to be about 15 on average which means Lucy has more than doubled her life expectancy.
猫科专家说，猫的平均寿命只有15岁，而露西已经活了39岁，相当于人类的172岁，比一般猫的寿命超出了不止一倍。
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