1·A woman is a nest-defender - her role was to ensure survival of the next generation.
女人是巢穴的保卫者——她的任务就是确保下一代的生存。
2·The 2011 San Diego Day of trauma will focus on the first 24 hours of trauma care and the key steps to ensure survival after severe injury.
2011年圣地亚哥外伤日将集中在第一个24小时创伤护理的关键步骤，以确保严重损伤后的生存。
3·Selflessness doesn't seem to be one of those qualities that ensure survival of a bloodline, since, by definition, it means acting against oneself.
从定义上来说，利他主义意味着同自己作对，所以无私看起来并不是可以保证血脉传承的那些品质之一。
4·Too often, we attempt to ensure survival by rescuing, nagging or micromanaging, and we end up with children unprepared to face the world without us.
很多时候，我们都企图通过挽救、唠叨或事无巨细的管教来确保孩子的生存问题，这样做的后果就是：没有我们孩子根本无法去面对这个纷繁复杂的世界。
5·To ensure survival of the family line, the women tend to have daughters because they are more likely to be survive long enough to become parents themselves.
因而，为了家族的延续，这些体弱的母亲往往会生育女儿，因为女孩能够活更长的时间，直到她们自己也成为一个母亲。
6·But after the garden is planted trees, it is necessary for good conservation management to ensure survival and healthy tree growth and development to achieve the effect of green planning and design.
但是园林树木栽植后，需要良好的养护管理才能保证树木成活和健康地成长发育，达到绿化规划设计的效果。
7·The U.S. can, without major damage to the economy, help halt the worst effects of climate change and ensure the survival of its way of life for future generations.
美国可以在不对经济造成重大损害的情况下，帮助遏制气候变化带来的最坏影响，并确保子孙后代的生活方式得以延续。
8·Hunters willingly pay the stamp price to ensure the survival of our natural resources.
狩猎者愿意支付邮票的价格，以确保自然资源能维持下去。
9·It is up to us, the tiger's deadliest enemy, to ensure the survival of the greatest of the great cats, the last Lord of the jungle.
而只有我们人类——老虎最致命的敌人，才能够保证这些大型猫科动物中最伟大的动物——最后的丛林之王的生存。
10·They assumed some instinct would lead women to keep having enoughchildren to ensure the survival of the species.
他们设想某种本能会促使妇女们继续生孩子，达到足以保证这个物种生存下去的数量。