1·They then found that the switch of a single DNA unit in the gene determines whether a person has wet or dry earwax.
他们发现基因中dna单链上的基因单元具有像开关一样的物质，该物质决定了人们的耳垢类型。
2·But earwax seems to have the very humble role of being no more than biological flypaper, serving to prevent dust and insects entering the ear.
然而耳垢的作用看上去极其单一，像一张生物捕蝇纸，防止灰尘和昆虫进入耳朵。
3·But earwax is not a villain.
不过，耳垢并不是什么反面角色。
4·The single DNA change deactivates the gene and, without its contribution, a person has dry earwax.
而有的dna单链发生了变异，遏制了该基因，使之无法发挥作用，因此一些人的耳垢是湿态的。
5·Earwax is a protective material that contains bacteria-fighting elements, but it sometimes accumulates and has to be cleaned out because it can impede hearing or cause pain.
耳垢含有对抗细菌的成分，是一种保护性物质，但有时它会堆积成堆，影响听力或造成痛苦，因此必须被清理掉。
1·Many people believe that earwax is an indication of uncleanliness. This misinformation leads to unsafe ear health habits.
很多人认为耳屎是不干净的象征。这一错误的信息导致了不安全的耳朵卫生习惯。
2·Experts at the United States National Institutes of Health suggest some ways to treat excessive earwax yourself. The experts at N.
美国国家健康研究院的专家们给出了一些让你自己对付多余耳屎的建议性方法。