illegitimateadj.非法的；私生的；不合规则的illegitimate crossing over不正常交换illegitimate recombination非常规重组illegitimate transcription私自转录, 非常规转录illegitimate fertility rate非法生育率illegitimate political behavior非法的政治行为illegitimate instrumental variable不合理的工具变量illegitimate use of company property对公司财产的盗用.