您要查找的是不是：
- The median age of the population rose from 29 in 1987 to 35 in 1997. 人口的年龄中位数从一九八七年的29岁，上升至一九九七年的35岁。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- The population of the island has sunk from100 to20. 这个岛上的人口从容不100人减少到了20人。
- The average age of the students is 19. 学生的平均年龄是19岁。
- The population of the city was thinned out by the black death. 这个城市的人口由于黑死病而减少了。
- Geologists have calculated the age of the earth. 地质学家已经计算出了地球的年龄。
- Farm workers make up only a small section of the population. 农民只占人口的一小部分。
- The news of the epidemic struck terror into the population. 流行病蔓延的消息使居民感到恐慌。
- The population as a whole is/are in favour of the reform. 全体人民普遍拥护改革。
- This disease produces premature aging of the brain. 这种疾病使大脑过早衰老。
- The population of the city is close to a million. 这个城市的人口接近一百万。
- The age of the robotic rodent is upon us. 啮齿类机器人的时代正在向我们走来。
- Jack embodied the population of the village. 杰克把村里的全体居民组织起来。
- The average age of the boys in this class is 23. 这个班级中男生的平均年龄为23岁。
- The name of the game is controlling the population. 问题的关键是在于控制人口。
- The average age of the boys here is ten. 这些孩子的平均年龄是十岁。
- The population of the city is going on for 500,000. 这个城市的人口将近500，000。
- The population of the village is slowly sinking. 这个村庄的人口正在慢慢减少。
- The ruins told of the age of that civilization. 这片废墟表明了那个文明的悠久历史。
- Christians preponderate in the population of that part of the country. 基督教徒在该国那一地区的人口中居多。
