Physical activity is an important factor in maintaining fitness.
体育活动是保持健康的一个重要因素。
Maintaining relationships over the long term takes effort.
长期维持关系需要努力。
Maintaining world peace is our unshirkable internationalist duty.
维护世界和平是我们义不容辞的国际主义义务。
Maintaining a high body temperature through sheer bulk is called gigantothermy.
通过绝对体积来维持高体温的方法被称为惯性恒温性。
Healthy eating and physical exercise are ways of maintaining general good health.
健康饮食和体育锻炼是保持健康的方式。
That level of precision is critical to the snake for maintaining its body temperature.
对于蛇来说，这种精确度对于保持体温至关重要。
Avoiding these features is important for defining and maintaining interpersonal relationships.
对于界定及维护人际关系来说，规避这些特性很重要。
Chris is in charge of purchasing and maintaining equipment in his Division at Taxlong Company.
克里斯在Taxlong公司，他的部门里，负责购买和维护设备。
Predators are an essential factor in maintaining communities that are rich and diverse in species.
捕食者是维持群落物种丰富多样的一个重要因素。
This included both the public and private costs of building, maintaining and using a transport system.
这包括建造、维护和使用交通系统的公共成本和私人成本。
Possibilities for trade seemed promising, but no hope existed for maintaining the traditional routes over land.
贸易似乎有诸多可能性，颇有前景，但维持陆地上的传统路线就根本没有希望了。
There is generally little doubt that fire is a significant factor in maintaining savanna, certainly in most regions.
火灾是维持稀树草原的一个重要因素，在大多数地区都是如此，（人们）对此通常很少有疑问。
To see a game through to the final whistle while maintaining high performance, a player needs to be as fit as a fiddle.
要想在保持高水平表现的同时把比赛进行到底，运动员需要非常健康的身体。
Maintaining harmony at home is essential for the well-being of an individual, a couple and their offspring, and even the society.
维持家庭的和谐，对个人、夫妻、后代乃至整个社会都是至关重要的。
China needs to strike a balance between maintaining a relatively fast and stable development and making economic structural adjustment.
中国需要在保持经济相对快速稳定发展和调整经济结构之间取得平衡。
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