One of these, called alcohol dehydrogenase, turns the alcohol molecules into another chemical, acetaldehyde.

其中有一种叫酒精脱氢酶, 把酒精分子转化成另一种化学物质, 乙醛.

Most consistently associated with alcoholism are the alcohol dehydrogenase genes (ALDH), which are involved in alcohol metabolism and protection against heavy drinking.

大部分与酒精成瘾问题关联的基因是酒精脱氢酶基因（ALDH），它参与酒精的新陈代谢作用同时对过量饮酒产生保护。

Alcohol dehydrogenase An enzyme that converts ethanol into acetaldehyde (ethanal).

把乙醇转化为乙醛的酶。

Alcohol dehydrogenase An enzyme that converts ethanol into acetaldehyde ( ethanal ).

把乙醇转化为乙醛的酶。