1. The controlled are use of fire allowed people to cook food and survive in colder climates.
控制火的使用使人们能够烹饪食物并在寒冷的气候中生存。
2. Fire provided light so that people could work and socialize for longer hours.
火提供了光，人们可以工作和社交更长的时间。
3. With the invention of agriculture, people could grow food and settle into (习惯于）communities.
随着农业的发明，人们可以种植粮食和适应(习惯于）社区。
4. By growing food, people could spend less time hunting and more time for other things such as art.
通过种植食物，人们可以花更少的时间去打猎，更多的时间去做其他的事情，比如艺术。
5. The domestication of animals allowed people to raise and use animals for food and work.
驯养动物使人们能够饲养和使用动物作为食物和工作。
6. By raising herds of animals such as sheep, humans had a regular supply of meat and clothing.
通过饲养羊群等动物，人类有了经常供应的肉和食物。
7. The strength of animals such as horses and oxen was used for work and transportation.
马和牛等动物的体力被用来工作和运输。
8. The development of tools and machines has resulted in more efficient manufacturing and construction.
工具和机器的发展提高了生产和建造的效率。
9. With better tools and machines, work can be done with fewer people and at much lower costs.
有了更好的工具和机器，工作可以用更少的人力和更低的成本完成。
10. The development of science and engineering has improved many things, including communications.
科学和工程的发展改善了许多事情，包括通信。
11. With an understanding of electricity, telephones and radios allow people to communicate over long distances.
有了对电的了解，电话和收音机使人们能够进行远距离的交流。
12. With the development of agriculture, people had more time for other activities.
随着农业的发展，人们有更多的时间从事其他活动。
13. Science and engineering have changed the way we communicate with each other.
科学和工程已经改变了我们相互交流的方式。
1
2
3
4
5
6
7
8
9
10
11
12
13
网友评论