DNA
noun [ U ] biology, chemistry specialized uk/ˌdiː.enˈeɪ/ us/ˌdiː.enˈeɪ/
C2 脱氧核糖核酸
deoxyribonucleic acid: the chemical, present at the centre of the cells of living things, that controls the structure and purpose of each cell and carries genetic information during reproduction
Idiom
be in someone's DNA/be part of someone's DNAidiom 作为某人特征的重要部分
to be an important part of who someone is
Flying was his passion. It was part of his DNA. 他对飞行充满激情，爱到骨子里。
It's not in my DNA to give up. 我不知道什么叫放弃。