noun🔗Share长子，头生子 The first child to be born to a parent or family."Sarah is the firstborn in her family, so she often helps her younger siblings. "萨拉是家里的长女，所以她经常帮助她的弟弟妹妹们。familypersonChat with AIVocabulary GamePractice Reading
adjective🔗Share长子，头生的. Born as the first one in a family, flock or the like."As the firstborn child, Maria felt a lot of responsibility to set a good example for her younger siblings. "作为长女，玛丽亚觉得自己有很大的责任，要为她的弟弟妹妹们树立好榜样。familyageChat with AIVocabulary GamePractice Reading
adjective🔗Share长子，头生的. Most excellent; most distinguished or exalted.""As the company's firstborn project, the new app received significant resources and attention, setting a high standard for future initiatives." "作为公司的头号项目，这个新应用获得了大量的资源和关注，为未来的举措树立了很高的标准。familyroyalqualityachievementChat with AIVocabulary GamePractice Reading
