DNA is the main hereditary substance of biologicalobject. The study on DNA is the basis of exposing biological heredity secrets.
DNA是生物体主要的遗传物质，有关DNA的研究是揭示生物遗传奥秘的基础。
2
Kimberly has been the object of an angry custody battle between the man who raised her and her biological parents, with whom she has never lived.
金伯莉的监护权被激烈地争夺着，一边是抚养她长大的养父，一边是她从未与之生活在一起的亲生父母。
3
Some vitamin E enthusiasts object that the clinical studies used what they consider the wrong form of the vitamin, saying that each of the vitamin’s eight forms has its own biological activity.