Overpopulation is not compatible with freedom.人口过剩和自由是不可调和的.The Irish would not allow overpopulation to occur again.爱尔兰人不允许再发生人口过剩....young persons who are concerned about overpopulation in the world.担心世界人口过剩的年轻人Who know...
一些青少年可能相比同龄人在性方面更成熟、更具挑逗性。Some adolescents might be more sexually mature and provocative than others.许多女孩在性方面会有些率性而为。Many girls have a kind of mechanical attitude towards sex.他在性问题上主张克制，反对纵欲。He has a puritanical attitude...