Or do we learn to ignore them, despite their prevalence as visual pollutants?(尽管它们的存在是一种视觉污染，我们成功忽视它们了吗？)
The prevalence has increased at an alarming rate.(肥胖症流行率以惊人的速度增长。)
However, no study on the prevalence of infertility has been conducted in this area.(但是，在这个地区不曾进行过任何关于不孕症流行情况的研究。)
Epidemiological studies have found that children with PDD have no higher prevalence of gastrointestinal tract than normal children.(流行病学研究发现，广泛性发育障碍（PervasiveDevelopmentalDisorder）孩子和正常孩子相比较并没有更高的胃肠道患病率。)
HIV's prevalence is dropping in southern India.(在印度南方艾滋病病毒的流行也开始有所下降。)
HIV testing during pregnancy in high prevalence areas.(艾滋病高发地区的孕期HIV检测。)
Could it be the prevalence of tea in their culture?(是因为茶在他们的文化中流行而造成的吗？)
If amino acids are found, it would be especially interesting if they show a prevalence of one type of handedness, either left, like amino acids on Earth, or right.(如果发现了氨基酸，并且它们普遍表现出同一种偏向性——要么像地球上的氨基酸一样是左旋的，要么是右旋的，那将会格外有趣。)
By state, obesity prevalence ranges from 18.6% in Colorado to 34.4% in Mississippi.(按州来看，肥胖的盛行程度从科拉·拉多州的18.6%到密西西比州的34.4%不等。)
A prevalence of left-handed amino acids would indicate they were biological in origin.(如果左旋氨基酸占大多数的话，就说明这些氨基酸从根源上来说是具有生物性的。)
