innate: applies to qualities or characteristics that are part of one's inner essential nature: a person with an ~ sense of his own superiority.


inborn: suggests a quality or tendency either actually present at birth or so marked and deep-seated as to seem so: her ~ love for rugged, outdoorsy life.


inbred: suggests something acquired from parents, either by heredity or nurture, or deep-rooted and ingrained: a person with ~ extremist political views.                (ingrain多负面)    nurture养育，如nurture the children养育孩子


congenital: applies to things acquired before or at birth during fetal development: a ~ heart murmur.    心脏杂音


hereditary: applies to things acquired before or at birth and transmitted from one's ancestors: eye color is ~.      (注意先天congenital和遗传hereditary的区别）  


innate天生的天性的: 表示内在的本质的属性，inborn天生的: 表示天生的或像天生一样地深刻持久(marked,deep-seated中性)的，inbred天生的: 来自父母遗传影响或根深蒂固，congenital先天: 指胚胎发育时形成的特征，hereditary遗传: 指继承自组先的特征


记忆方法: 1) 首字母IIICH想成III Cai Hua三项才华是天生<==天生


               2) 天生的意思是非后天获得mean not acquired after birth.首字母IIICH想成III Cai Hua三项才华是天生<==天生