China's marriage and fertility rates reached their peaks in the 1950's and 1960's.China's marriage and fertility rates reached their peaks in the 20th century.20世纪跟5，60年代不会同时出现的
China is at the peak of fertility中国迎来了生育率的高峰重点词汇释义中国China; the People's Republic of China; Sino-; PRC生育bearing; bear; give birth to; procreate高峰peak; summit; height; climax; flood tide
