chromosome

['krəʊməsəʊm]

释义

n. 染色体
one of a set of threadlike structures in a cell that carry the genes determining an individual's inherited traits

例句
Leonard: You pick up a Y chromosome while you were there? You might be short one. (The Big Bang Theory)
莱昂纳德：在超市没买点Y染色体吗？我看你挺缺那玩意儿的。（生活大爆炸）