"An average person, "Roach explains, "will, during the peak flatulence period, pass anywhere from one to almost three cups of flatus per hour."

“一个普通人，”罗奇解释道，“在肠胃最胀气的时候，每个小时会放出1到3杯的的屁。

I didn't know the U.S. Department of Agriculture once had a flatus researcher.

我不知道美国农业部曾经有一位研究肠胃胀气的专家。

He was interested in individual differences, not just in the overall volume of flatus, but in the differing percentages of constituent gases.

他感兴趣的是个体差异，不仅对肠胃气的总量感兴趣，而且对构成气体的百分比也感兴趣。

Its scientific name is flatus, but the English language has an impressive range of colorful terms to describe the explosive emission of digestive gas.

它的学名是肠胃胀气，不过英语里有一套令人印象深刻的生动说法来形容这种消化气体的排放。

The patient's sense of enormous relief when fluid, flatus, and feces are expelled into the bucket is in inverse proportion to the doctor's discomfort.

当液体、胀气、粪便排入水桶时，病患极大的解脱感与医生的不适感呈反比。