extend

[ɪkˈstend]

  • 词义辨析

    extend, circulate, diffuse, disseminate, expand, propagate, radiate, spread

    这组词都有“延伸”“延长”“伸展”“展开”的意思。它们的区别是:
    1.spread指向四面八方扩大范围。
    2.circulate指无拘无束地或不间断地传播、散布到各处。例如:
    She opened a window to allow the air to circulate.她打开窗户使空气流通。
    3.disseminate指到处传播思想、理论等。例如:
    They use the press to disseminate right wing views.他们利用报刊来传播右翼观点。
    4.diffuse指光线、声音、气味等在空中传送或散布。例如:
    Light diffused from the window.光从窗户射进来。
    5.extend指延展物体的长度、宽度,延伸或扩大某一事物,以及延长时间、期限等,也指伸开四肢或躯体。例如:
    They extended the road for three more miles.他们把那条路又延长了三英里多。
    The headmaster extended our holidays by a week.校长把我们的假期延长了一个星期。
    6.expand指扩大面积或体积,也指把合拢的东西放开(即三维)。例如:
    This county has expanded its area under cultivation by more than 50,000 mu .该县扩大了50,000亩耕地。
    Heat expands metals.热使金属膨胀。
    He does exercises to expand his chest.他做体操扩胸。
    7.propagate通常指宣传某种信念、看法或传播某种言论,以使更多的人相信或参与。例如:
    We should not only learn knowledge, but also propagate it.我们不仅应学习知识,而且应传播它。
    The Greek civilization was propagated all over Europe.希腊文明传播至整个欧洲。
    8.radiate指从中心向四面八方散发,是技术用语,特指光或热的辐射。例如:
    The sun radiates light and heat.太阳放射光和热。
    The electric heater radiated warmth.电暖器散发出热量。

    extend, elongate, lengthen, prolong, protract

    这组词都表示“延伸”。它们的区别是:
    extend指直线状的伸展,引申指扩展势力、范围、影响等; lengthen指增加长度或延长时间; prolong指把时间过程延长到超过通常或正常的限度; elongate是技术用语,指空间尺度的延伸; protract指无限地、不必要地或令人厌烦地拖长。

  • 双语例句
1、

His admiration for the athlete did not extend to the point where he would follow his example in taking drugs.

他对于这个运动员的崇拜还没有达到要学他吸毒的程度。

——柯林斯例句

2、

Our playing fields extend as far as those trees.

我们的操场延伸到那些树前.

——《现代汉英综合大词典》

3、

Theoretically, a line can extend into infinity.

从理论上来说直线可以无限地延伸.

《简明英汉词典》

4、

While Onassis might clap a friend on the back, Niarchos would extend a businesslike hand.

奥纳西斯可能会拍拍朋友的后背,可尼亚尔霍斯却会公事公办地伸出手来。

——柯林斯例句

5、

The hall porter was feeling hard done by at having to extend his shift.

酒店行李搬运工因为被迫延长当班时间而愤愤不平。

——柯林斯例句

6、

The city council has decided to extend the road to the new town.

市政会已决定把公路延长到这个新市镇.

《简明英汉词典》

7、

This approach can also extend the transmission distance by reducing the transient chirp.

这个方法同时降低雷射的暂态啁啾值,因此也可以延伸传输距离.

——期刊摘选

8、

He is expected to extend direct rule by the central government for another six months.

预计他将把中央政府的直接统治再延长6个月。

——柯林斯例句

9、

Not required as in the past realize special callback interface or extend the EJB type.

不要求像过去那样实现特殊的回调界面或者扩展EJB类.

——期刊摘选

10、

The main stem will extend to around 12ft, if left to develop naturally.

如果任其自然生长,主干可以长到约12英尺。

——柯林斯例句

11、

Please extend the deadline a few days.

请宽限几天.

——《现代汉英综合大词典》

12、

This year they have introduced three new products to extend their range.

今年他们发布了3种新产品,以扩大产品范围。

——柯林斯例句

13、

We shall have to extend the payments over an additional period.

我们得把付款期再推延一段时间.

——《简明英汉词典》

14、

It might be possible to extend the technique to other crop plants.

也许可以将这种技术应用于其他农作物。

——柯林斯例句

15、

The bank will extend you credit.

银行会给你提供信用贷款.

——《简明英汉词典》

16、

Treasury bonds have maturities that extend out as far as 25 years or more.

国库券的到期时间长达25年甚至更久。

——柯林斯例句

17、

We reconstruct the multimedia database engine eBase 3, in order to extend its multimedia function.

我们改造了多媒体数据库引擎eBase3.0以扩展其多媒体功能.

——期刊摘选

18、

Journal of local university must have its own feature column to enhance grade and extend influence.

地方高校学报要想提升档次,扩大影响,就必须有自己的特色栏目.

——期刊摘选

19、

The talks will extend to the church, human rights groups and other social organizations.

会谈将涉及教会、人权团体和其他社会组织。

——柯林斯例句

20、

The food industry was given a green light to extend the use of these chemicals.

食品业获准继续使用这些化学品。

——柯林斯例句

21、

We are impressed by his capacity for handling an immense amount of work without appearing to extend himself.

我们很佩服他能处理大量的工作而看来一点也不勉强.

——《现代英汉综合大词典》

22、

We request to extend the time limit for claim on the above shipment to July 5.

我们要求将上述货物的索赔时间期限延长到7月5号.

——期刊摘选

23、

The examinations extend over two weeks.

考试持续两个星期.

——《简明英汉词典》

24、

It was kind of you to extend an invitation to us.

感谢你对我们的邀请.

——《简明英汉词典》

25、

Can you extend your visit for a few days more?

你能把你的访问再延长几天 吗 ?

——《用法词典》

26、

In this area , the plains extend for hundreds of li.

方圆几百里都是平原.

——《现代汉英综合大词典》

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