extend

[ɪkˈstend]
  • 释义

  • 延长;扩展，扩大;提供;

  • 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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