劍橋詞典the process by which characteristics are given from a parent to their child through the genes 遺傳 Diet and exercise can influence a person's weight , but heredity is also a factor . 節(jié)食和運(yùn)動(dòng)可以影響一個(gè)人的躰重，而遺傳也是一個(gè)因素。 返回 heredity