英语语法分析

Acetaldehyde is toxic and has been shown to damage DNA.

乙醛是有毒物质，会损害人体的DNA。

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

醇脱氢酶：把乙醇转化为乙醛的酶。

During alcoholic fermentation acetaldehyde ACTS as a hydrogen acceptor instead of oxygen.

在这个过程中乙醛取代了氧作为氢的受体。