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- The age of majority is eighteen. 成年的法定年龄是18岁。
- He ran away from home at the age of thirteen. 他十三岁那年就离家出走了。
- At the age of thirty, Mary began to lose colour. 玛丽在30岁的年纪就红颜渐逝了。
- The morbidities of nervous system diseases,such as cerebrovascular disease and Alzheimer s disease,are increasing with the aging of population. 随着社会人口老龄化的出现,脑血管病、阿尔茨海默病等神经系统疾病的发病率正逐渐增加。
- She was orphaned at the age of ten. 她在十岁时成为孤儿。
- My father retired at the age of 60. 我父亲六十岁时退休了。
- My grandmother got married at the age of seventeen. 我的祖母十七岁就结婚了。
- He was already balding at the age of 25. 他25岁就秃顶了。
- Cole popped off at the age of twenty. 科尔在二十岁时突然死去。
- Secondly, the outflow of young labor from the rural areas aggravates the aging of population in these regions, and enlarges the distances of generation gap which weakens the risk-averting function of the family. 对流出地而言，农村大量轻壮年劳动力流出加剧了农村老龄化程度，拉大了农村老年人口与子女生活的空间距离，使家庭保障功能逐步弱化。
- He lived to be [to the age of]80. 他一直活到了80岁。
- He was composing at the piano at the age of seven. 他7岁时就会钢琴作曲。
- He learned to multiply at the age of five. 他五岁学会做乘法。
- Population aging refers to the course of social development in which the proportion of the elderly population continuously rises in the general population and as well as the aging of population age structure. 所谓人口老龄化，是指在一个国家或地区因人均预期寿命的不断延长而使老年人口在总人口中的比重上升和人口年龄构成老化的社会发展过程。
- He attained the age of 25 before marrying. 他年届廿五始完婚。
- He went on the stage at the age of 15. 他十五岁开始登台演出。
- He learned to ride a horse at the age of nine. 他九岁时学会了骑马。
- Mr. Hill divorced his wife at the age of 70. 希尔先生七十岁的时候与他妻子离婚。
- He entered politics at the age of 30. 他三十岁开始从政。
- He was commissioned a general at the age of 50. 他五十岁时被任命为将军。
