大家在查：文化发展石片婚姻制度对偶婚玛雅文明干栏式建筑部落联盟巫山人自然农业采集经济

近亲婚姻

网络animal breeding; close relative marriages

近亲婚姻

近亲婚姻

近亲婚姻

animal breeding

close relative marriages

英语口译二级讲义3_clark... ... 传宗接代 to carry on the family line 近亲婚姻 close relative marriages 出生高峰 baby boom ...

1

The number of marriages between cousins is dropping just as spectacularly as the birth rate , thereby blasting away a barrier .

近亲婚姻的数量正象出生率一样急剧下降，由此排除了一大障碍。

3

The chief cause of the problem in Qatar is consanguineous marriages , experts here said .

据该组织专家说，导致卡塔尔先天性缺陷发病率居高的主要原因就是近亲婚姻。

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