日期:
来源:雅诚德英语网
The number of juveniles in the general population has fallen by a fifth in the past 10 years.
在过去的10年中,青少年在总人口中所占的比重下降了1/5。
The number of juveniles in the general population has fallen by a fifth in the past 10 years.
在过去的10年中,青少年在总人口中所占的比重下降了1/5。