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Overseas for more than five years, Chaffee says Facebook helps him keep up with his stateside siblings' daily lives.

在海外生活了五年多的Chaffee说，Facebook帮助他了解远在美国的兄弟姐妹的生活近况。

The application of thesauri in digital libraries is seriously constrained by the manual nature of current thesaurus maintenance mechanism which cannot keep up with the rapid evolvement of knowledge.

词表和分类法是传统纸质文献环境下最重要的知识组织工具。它的更新和维护一直依靠手工进行。这限制了它在数字图书馆和网络信息环境下的应用。

I need a belt keep up my trousers.

我需要一条腰带系裤子。

Don't lose heart .keep up courage and you'll succeed.

别气馁，鼓起勇气你就会成功。

If other people are prosperous that is good; don't feel miserable just because you cannot keep up with the Joneses.

如果其他人富裕，这是一个好；不觉得痛苦，因为你不能跟上攀比。

Online learning options let you keep up at home or on the road.

在线学习选择，是让您保持在家里还是在路上。

Best of luck and keep up the good work.

能交上好运，并保持了良好的工作态度。

Nowadays, this structure is widely used although its design theory can not keep up with its engineering application. With the development of the west regions,with the construction of more infrastructures e.g. railways、highways and water conservancies, this kind of retaining wall will be more popular. So this paper does a research on this retaining wall based at a practical site.

目前这种结构应用较为广泛，但是其设计理论相对滞后于工程应用，随着国家西部大开发战略的实施，更多的铁路、公路和水电等基础设施项目陆续投入建设，桩基托梁挡土墙支挡结构也将大量应用，所以本文结合实际工点对桩基托梁挡土墙结构进行了研究。

Keep up with storage of sample retains and disposes of the old retains.

跟进保留的样本储备和处理旧的储存样本

But harried clerks can't keep up with demand and every day there are long lines and frustrated people.

但是忙得焦头烂额的职员仍不能满足人们大量的需求。每天都有人排长队，也有很多人失望而归。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。