His research is for the betterment of mankind.
他的研究是为了人类生活的改善。
He is a practical humanist, who believes in the dignity of mankind.
他是个真正的人道主义者，信奉人类的尊严。
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。
Asia is one of the places where mankind originated.
亚洲是人类的发源地之一。
It was extremely important to the destiny of mankind.
它对人类的命运极为重要。
One of writer's favourite themes is the fraternity of mankind.
作家最喜欢写的一个主题是人类的博爱。
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。
To ensure the future of mankind, it is crucial to draw on our experience from the past.
为了人类的未来，我们必须借鉴过去的经验。
Tim Joseph was fascinated by the notion that sunlight brings energy and wealth to mankind.
蒂姆·约瑟夫对阳光能给人类带来能源和财富的观点非常着迷。
Combating climate change is an objective not only for us but also for the future of mankind.
应对气候变化，不仅关乎我们自身，也关乎人类的未来。
Ecosystems change over time, with or without the involvement of mankind, so no one can tell what Hawaii should look like.
不管有没有人类的影响，生态系统都会随时间演变，因此没有人可以说出夏威夷看起来应该是什么样的。
In his acceptance speech, Borlaug said, "the first essential component of social justice is adequate food for all mankind."
在获奖感言中，博洛格说：“社会正义的首要组成部分是为全人类提供足够的食物。”
Towering above all of Las Vegas, Optimus Prime is crashing through the Luxor Las Vegas Hotel and Casino, protecting all of mankind.
高耸于整个拉斯维加斯，擎天柱直闯到卢克索拉斯维加斯旅馆和赌场，来保护全人类。
Such a projection presents mankind with wide-ranging social, economic, environmental and political issues that need to be addressed today to ensure a sustainable future for all.
这一预测向人类呈现出了广泛的社会、经济、环境和政治问题，这些问题需要在当下解决，以确保人类拥有可持续发展的未来。
This nameless person pushed the human race over a historic threshold, for it was in that year that mankind became, for the first time in its history, a predominantly urban species.
这个无名人士让人类的发展跨出了历史性的一步，因为正是在那一年，人类在其历史上第一次成为主要的城市物种。
Neil Armstrong said that one small step for a man, one giant leap for mankind.
尼尔·阿姆斯特朗说，一个人的一小步，就是人类的一大步。
This was an important discovery, because by learning to cultivate the land, and care for animals, mankind would always have food steadily.
这是一项重要的发现，因为通过学习耕作土地，饲养动物，就可以有稳定的食物来源。
This was an important discovery, because by learning to cultivate the land, and care for animals, mankind would always have food steadily.
这是一项重要的发现，因为通过学习耕作土地，饲养动物，就可以有稳定的食物来源。
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