纵观历史，海洋满足了人类的需要。
工程就是运用科学原理来满足人类的需要。
Engineering is the application of scientific principles to meet human needs.
人类的需要是指没有得到某些满足的感受状态。
A human need is a state of deprivation of some basic satisfaction.
为了生存，人类需要对世界有一个合理准确的看法。
Humans need a reasonably accurate view of the world in order to survive.
驾驶是一项复杂的任务，人类需要很长时间才能完全掌握。
Driving is a complex task that takes humans a long time to perfect.
人类似乎也有一种需要归属感的强烈愿望。
今天，许多人开始意识到，为了保护环境和为了人类的生存，我们需要更多的人成为素食者。
Today, many people have come to realize that to help the environment and for the human race to survive, more of us will need to become vegetarian.
所以，您需要人类的智能。
从人类进步的观点看来，科学需要管制。
From the perspective of human progress, science needs governing.
世界需要达尔文来帮助我们理解人类的行为。
To understand human behaviour properly, the world needs Darwin.
如果每个人都过这样的生活方式，人类恐怕需要2.75个行星来维持生存。
If everyone lived such a lifestyle, humans would need 2.75 planets to survive.
和人类一样，海豚的血液中需要有一定量的糖来维持大脑的正常功能。
Like humans, dolphins need some sugar in their blood for their brains to function normally.
不要忘记，人类最大的情感需要是被人欣赏。
Don't forget, a person's greatest emotional need is to feel appreciated.
一些你需要知道的关于人类心理的事。
所以，人类需要用简短的命令如“坐”、“来”来让狗狗明白。
Thus, the need for short commands such as "Sit!" and "Come!"
对于人类来说，实现这种进步需要的时间连2000年都不到。
That time period could be less than 2, 000 years for humans.
我们需要召集同样的实用主义去拯救全人类。
相比传统工作所提供的，服务人类需要更多的灵活和流动。
Serving humanity requires a lot more flexibility and flow than a traditional job can provide.
虽然这已经是一个很大的进步，可人类还需要泰坦更多的帮助。
This was a great step forward. but men needed more help yet from the Titan.
太空是人类所共有的，需要全人类的珍惜与呵护。
人类的健康是十分复杂的，要真正了解全部机理需要更多的时间。
Human health is complex and truly understanding it will take more time.
其实人类所需要的就是多学科的协同工作，需要科学家的勤勉努力，一直往前走。
What it takes is a lot of discipline and diligence to move forward.
这，就是地球人类在组成社会后，人民需要的平等。
This is earth humanity in forming social equality, the people's needs.
大自然给与人类的所需要的一切，帮助他们存活下来。
Nature gives the thing that human need and helps them survive.
人类对于其身体中最有功效的，最为复杂的部位——人脑，仍有很多需要了解的东西。
Man still has a lot to learn about the most powerful and complex part of.
人类对于其身体中最有功效的，最为复杂的部位——人脑，仍有很多需要了解的东西。
Man still has a lot to learn about the most powerful and complex part of.
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