【双语有声阅读】机械工程师的任务 Roles for the Mechanical Engineer

 Roles for the Mechanical Engineer

 

机械工程师的任务

Do you realize that every time you take a step,the bones in your hip¹ are subjected to forces between four and five times your body weight?

你是否意识到，你每走一步路，你臀部的骨骼在承受四五倍于你体重的力量？

When you are running, this force is increased further still.

跑步的时候，这种力量还会更大。

What happens if through disease a hip-joint ceases to be able to resist such forces?

如果因为疾病导致其中一个髋关节不再能够支撑这么多的力量，将会出现什么情形呢？

For many years hip-joints² and other body joints have been replaceable either partially³ or completely.

多年来，人们就已经在部分地或全部地替换身上的髋关节或其他关节。

It is after all a simple ball and socket⁴ joint;it has certain loads imposed on it;it needs reliability⁵ over a defined life;it must contain materials suitable for the working environment.

毕竟这不过是个简单的球窝接头，它需承受一定的负荷，要求在正常使用寿命内百分之百不出问题，而且必须用适合其工作环境的材料来制作。

Any engineer will recognize these as characteristic of a typical engineering problem,which doctors and engineers have worked together to solve,in order to bring a fresh lease of life to people who would otherwise be disabled.

任何工程师都会把这些要求看做是个典型的工程问题，而这个问题医生和工程师已经合作解决，旨在让原本会残疾的人获得新生。

This typifies the way in which engineers work to help people and create a better quality of life.

工程师可以帮助人们创造更高质量的生活，上面这一点正是他们的工作方法的写照。

The fact that this country has the most efficient agricultural industry in the world is another good example.

这个国家拥有世界上最高效的农业，这是另一个有说服力的例证。

Mechanical engineers have worked with farmers and biologists to produce fertilizers, machinery⁶ and harvesting systems.

机械工程师与农民，生物学家一起共事，共同生产制造出化肥，机械和收割系统。

This team effort has now produced crops uniformly waist high or less so that they are better suited to mechanical harvesting.

现在这个团队合作生产的农作物一律齐腰高，这样就更适合机器收割。

Similar advances with other crops have released people from hard and boring jobs for more creative work,whilst machines harvest crops more efficiently⁷ with less waste.

对其他农作物所做的类似改进使得人们可以从脏活累活中解脱出来，从而转向那些更富有创造性的工作，同时由机器收割庄稼可以提高效率，降低损耗。

Providing more food for the rapidly increasing population is yet another role for the mechanical engineer.

而为快速增长的人口提供更多的食物则是机械工程师的又一项任务。

1 hip   

n.臀部，髋；屋脊

参考例句：

• The thigh bone is connected to the hip bone.股骨连着髋骨。
• The new coats blouse gracefully above the hip line.新外套在臀围线上优美地打着褶皱。

2 joints   

接头( joint的名词复数 )； 关节； 公共场所（尤指价格低廉的饮食和娱乐场所） （非正式）； 一块烤肉 （英式英语）

参考例句：

• Expansion joints of various kinds are fitted on gas mains. 各种各样的伸缩接头被安装在煤气的总管道上了。
• Expansion joints of various kinds are fitted on steam pipes. 各种各样的伸缩接头被安装在蒸气管道上了。

3 partially   

adv.部分地，从某些方面讲

参考例句：

• The door was partially concealed by the drapes.门有一部分被门帘遮住了。
• The police managed to restore calm and the curfew was partially lifted.警方设法恢复了平静，宵禁部分解除。

4 socket   

n.窝，穴，孔，插座，插口

参考例句：

• He put the electric plug into the socket.他把电插头插入插座。
• The battery charger plugs into any mains socket.这个电池充电器可以插入任何类型的电源插座。

5 reliability   

n.可靠性，确实性

参考例句：

• We mustn't presume too much upon the reliability of such sources.我们不应过分指望这类消息来源的可靠性。
• I can assure you of the reliability of the information.我向你保证这消息可靠。

6 machinery   

n.(总称)机械，机器；机构

参考例句：

• Has the machinery been put up ready for the broadcast?广播器材安装完毕了吗？
• Machinery ought to be well maintained all the time.机器应该随时注意维护。

7 efficiently   

adv.高效率地，有能力地

参考例句：

• The worker oils the machine to operate it more efficiently.工人给机器上油以使机器运转更有效。
• Local authorities have to learn to allocate resources efficiently.地方政府必须学会有效地分配资源。