He had to extemporize because he had forgotten to bring his notes.

He extemporized a speech at the wedding.

他在婚礼上发表了即席讲话.

The president extemporized a speech after the working dinner.

总裁即席发表了一篇工作餐后演说.

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

方圆几百里都是平原.

Can you extend your visit for a few days more?

你能把你的访问再延长几天 吗 ?

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

感谢你对我们的邀请.

The examinations extend over two weeks.

考试持续两个星期.

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.

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.

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。

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。

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.

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.

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。

The bank will extend you credit.

银行会给你提供信用贷款.

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。

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.

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。

In this case, steady precipitation may extend over a l 0 ng distance ahead of the front.

在这种情形下, 稳定性降水可在锋前向前延伸很长一段距离.

The school grounds extend over seven acres.

校园占地七英亩.

The problems are so vast and extend over so many pollutants.

这些问题如此重要并且涉及到那么多的污染物.