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If they do, then they will bring happiness. People keep designing more beautiful cityscapes, and build them up by organized labor.

人们不断设计更美好的城市景观，并组织劳动力量建设起来，这就是城市景观的变化。

Condors are vultures, so they keep their sharp eyes peeled for the carrion that makes up most of their diet.

安第斯秃鹰是腐食动物，所以它们始终在寻找动物尸体来果腹。

After some keep-ball and the usual meeting with Carlo Ancelotti, the players moved onto the indoor pitch where they warmed up doing sprints among the hurdles, abdominals, kneebends and dorsals.

首先是控球练习以及与卡尔洛·安切洛蒂的例行会面，然后球员们在室内场地上热身：跨栏间的加速跑，腰腹运动，屈膝运动，以及背部运动。

In the paddock on the station or droving you needed a dog that could eat up the distances and have great stamina with a short coat keep off the burrs.

在小牧场的环境下，你需要一只能够长距离行走，有毅力，短毛的，可以阻挡荆棘的柯利。

Don't scorn those fenders, they keep rocks from flying up at you, as well as sprays of water.

不要轻视那些挡泥板，他们能在你的飞行，石头，以及水喷剂。

By combining a case analysis and experiences and lessons from the fire prevention work, the author put forward the development direction and the key improvement of forest fire prevention technology as follows: keep on the studies on weather and situation of forest fire and the short-term, medium-term and long-term fire forecasting, establishing the countrywide forest fire forecasting system step by step, enhancing the biologic fire prevention construction based on forest- prevention web and system, improving the ability of the initial fire obstruction, expanding the forest fire plan, strengthening the management of combustible substances, completing the national satellite network for forest-fire monitoring as soon as possible, speeding up the construction of computer assistance decision system, GIS forest resources geography information system and the GPS world fixed position system, strengthening the fire prevention communication and the extinguishing fire with aviation airplane and chemistry, implementing the modernization of fire machine tool.

结合实例分析及我国森林防火工作的经验和教训，提出了未来我国森林防火技术的发展方向和改进重点：继续努力开展火险天气、火险形势的科学研究和短期、中长期火险预测预报工作，逐步建立全国林火预报系统；加强以防火林带网络和体系建设为主的生物防火建设，提高对初发火的阻隔能力；推广计划火烧，加强可燃物管理；尽快完成全国卫星林火监测网络建设；加快微机辅助决策系统、GIS森林资源地理信息系统和GPS全球定位系统建设的步伐；加强防火通讯；加强航空飞机灭火和化学灭火的力度；实现扑火机具现代化等。

Electric motors keep the trains level as they travel the four-minute trip up or down the arch.

电力发动机使火车保持平衡运行，向上或向下需要运行四分钟的时间。

I amaze myself that I can back it up one tournament after another, keep on playing so well, and especially on hard court and grass court.

今年我赢得一个接一个冠军，在草地和硬地上表现尤其好，我自己都很陶醉。

But, no, I don't know really. I amaze myself that I can back it up one tournament after another, keep on playing so well, and especially on hard court and grass court.

费德勒：在今年我输的3场比赛中，其中两场当时我都握有赛点，所以他们能获胜确实有些运气的成分。

Jack: Alright keep that head up.

好的，把那边抬高一点。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷