色欲tv国产亚洲_久久午夜夜伦鲁鲁影院_一级特黄无码A片在线观看_免费黄色性感一级片_国内破女处破苞视频hd_欧美三级少妇免费_亚洲美腿丝袜福利一区_白丝秘书被躁到高潮视频av_91麻豆精品分享的内容是很丰富的_国产原创免费av网站

首頁英語詞典raciationraciation的意思

raciation

[,rei?i'ei??n]
  • n. 【進(jìn)化論】種族分化；人種變異

英文詞源

raciation (n.)
"evolutionary development of biological races," 1952, from race (n.2) + ending from speciation, etc.