Evolutionarily speaking, people in this age group are at a stage in which they can prepare to find a mate and start their own family while separating from parents and striking out on their own.
从进化的角度来说，这个年龄段的人正处于这样一个阶段：他们可以在与父母分开、自谋生计的同时，为寻找伴侣和组建自己的家庭做准备。
At the age of around twenty nine, Saturn returns to its position at the time of birth, and this stage is seen as an important milestone in a person's life.
在大约二十九岁的时候，土星回归到出生时候的位置，这个阶段被视为是一个人生命中一个重要的里程碑。
By identifying what stage the insect is at, experts can estimate its age and relate this to how long the body has been dead.
通过识别昆虫所处的生命阶段，专家可以估计出它的年龄，并推断出尸体的死亡时间。
By identifying what stage the insect is at, experts can estimate its age and relate this to how long the body has been dead.
通过识别昆虫所处的生命阶段，专家可以估计出它的年龄，并推断出尸体的死亡时间。
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