function
单词辨析：
指法规、合同等规定的该做或不该做的事，含强制之意；也指因诺言、誓言等而必须要做的事。
Employees are under no obligation to buy any products from their own company.
员工没有义务购买本公司生产的产品。
They have to fulfil the obligations imposed on them by the treaties.
他们不得不履行条约规定的义务。
He kept the secret for her out of a sense of obligation.
他出于责任感而替她保守秘密。
In fact, greater resources are needed to meet these obligations.
事实上，履行这些义务需要更多的财力。
指会去做某事的保证或保证去做的事情。
The company made a commitment to quality.
该公司对质量作出承诺。
88 percent of respondents said marriage should be a lifelong commit-ment.
88%的受访者表示婚姻应该是一辈子的承诺。
She's got a lot of commitments.
她作出了多项承诺。
指在道义或法律上应尽的本分，强调自觉性；也指工作职责，此时通常用复数。
He feels it is his duty to help his neighbors.
他觉得帮助邻居是他的责任。
She was brought up to have a strong sense of moral duty.
她从小就被教育要有强烈的道德责任感。
Never forget your duty to your motherland.
切勿忘记你对祖国应尽的义务。
His duties included sweeping the lawn.
他的职责包括清理草坪。
指某人的工作职责或某事物的职能或功用。
Are you ready to perform your functions in your new job?
你准备好在新的工作岗位上履行职责了吗？
What's the function of this newly founded department?
这个新成立的部门的职能是什么？
指管控某人或某事物的责任、对不良事件所负的责任或工作职责，强调对他人的责任。
Generally speaking, a promotion means higher salary and more responsibility.
一般而言，升职意味着更多的薪水和更大的责任。
It's your responsibility to inform them of any changes.
如有任何变动，你有责任通知他们。
Who should accept full responsibility for the political crisis?
谁应该为这场政治危机负全责？
Her responsibilities include handing out brochures and answering the phone.
她的职责包括分发宣传册和接听电话。
指人操控机器或设备，也指机器等运行。
He taught me how to operate a computer.
他教我如何使用计算机。
The machine operates well.
机器运转正常。
指系统、机器设备、机构、人等正常工作。
The water system is not functioning well.
供水系统有点问题。
Despite the power outage, the hospital continued to function normally.
尽管供电中断，医院继续照常运作。
He can't function without a coffee in the morning.
他早上不喝杯咖啡就无法工作。
指机器、装置等工作，多用于口语。
She couldn't get the air conditioner going.
她没法让空调工作起来。
My watch isn't going.
我的表不走了。
指机器、引擎等工作或使其开动，也指计算机程序运行或使其运行。
His van runs on diesel.
他的货车用的是柴油。
Keep the engine running.
别让发动机熄火。
Will the software run on any computer?
这个软件在任何电脑上都能运行吗？
普通用词，指机器或设备正常工作，也可指使用机器或设备。
The chainsaw doesn't work.
链锯坏了。
The clock is working properly.
钟走得很正常。
That little boy can even work the video.
那个小男孩甚至连录像机都会用。
相关例句：
The function of the albumen cells is not known.
白蛋白细胞的功能尚不清楚。
On weekdays, one third of the room functions as workspace.
在工作日，房间的1/3用作办公区域。
These should be four undetermined constants in the displacement function.
位移函数中应有四个未定常数。
Investment is a function of the interest rate.
投资随着利率的变化而变。
They were decked out in tracksuits, seemingly to dissimulate their true function.
他们都穿着田径服，似乎想掩饰他们的真实职能。
Maintenance of humidity is vital for ciliary function.
保持湿度对纤毛功能来说十分重要。