His research is for the betterment of mankind.
他的研究是为了人类生活的改善。
Truly, this is the way of mankind.
的确，这是人类的方式。
If that never happened, there would be no mankind.
如果那没有发生，就不会有人类。
It was extremely important to the destiny of mankind.
它对人类的命运极为重要。
Some scientists say that it was the key to the success of mankind.
一些科学家说这是人类成功的关键。
I am bringing a gift for mankind.
我给人类带了一件礼物。
Throughout the history of mankind.
纵观人类历史。
This is another leap for mankind.
这是人类的又一个飞跃。
Every ring connects the heart of mankind.
环环连着人类的心。
This is an invention that benefits mankind.
这是一项造福人类的发明。
为了全人类？
We Labour for the happiness of mankind.
我们为人类的幸福而努力。
Books are the nourishment of all mankind.
书籍是全人类的营养品。
They laboured for the happiness of mankind.
他们为人类的幸福而努力工作。
Was it not because I loved mankind far too well?
难道不是因为我太过热爱人类？
This is an invention that benefits mankind.
这是一项造福人类的创造。
It is the people who decide the fate of mankind.
决定人类命运的是人民。
They hope to find new resources for mankind.
他们希望为人类找到新资源。
Outer space is the common heritage of all mankind.
外空是全人类的共同财富。
It is in children that lies the future of mankind.
儿童，是人类的未来。
No nation imagines itself coterminous with mankind.
没有一个民族把自己想像为等同于人类。
We can find many examples in the history of mankind.
我们可以从人类历史上找到许多这种例子。
She can either be helpful or harmful to mankind.
她对人类可以是有益的，也可以是有害的。
There is only one Earth that mankind calls home.
人类只有一个地球，我们共有一个家园。
This should be an asset rather than a debt of mankind.
这是人类的财富，绝非负担。
This should be an asset rather than a debt of mankind.
这是人类的财富，绝非负担。
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