Flatulence is gas released by bacteria that live in the large intestine when they break down food 高浓度的乳酸菌在消化食物时就会产生难闻的气体。
The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes 现代城市是由大得怕人的大厦和充斥著难闻的汽油味所组成。
However , it wasn ' t gold or silver that the ship was carrying but hundreds of jars of a foul - smelling fish sauce 但是，船上装得并不是黄金白银，而是数以百计的难闻的鱼酱油。
For particularly noxious sites , these workers wear full respirators to filter out bacteria and odors 对于特殊的、有毒的地点，他们要穿全套的放毒装置，防治细菌，以及难闻的气味。
" it will knock out the foulest of cigar , beer breath within five seconds , " packes of norwalk , connecticut , told reuters on tuesday “它可以在5秒钟内将人从口腔呼出的最难闻的雪茄及啤酒的气味一扫而光” 。
" it will knock out the foulest of cigar , beer breath within five seconds , " packes of norwalk , connecticut , told reuters on tuesday “它可以在5秒钟内将人从口腔呼出的最难闻的雪茄及啤酒的气味一扫而光” 。
A fart , which is the expulsion of gas from the anus , is often accompanied by a loud noise , a vibrating sensation , and an unpleasant odor 屁，是从肛门排出的气体，通常伴随一声巨响、一阵振动感，以及一股难闻的臭味。
The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes , coal dust , and toxic gases 现代城市是由大得怕人的大厦和充斥著难闻的汽油味，煤灰和有毒气体和又阴暗又狭窄的街道所组成。
The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes , coal dust , and toxic gases 现代城市是由大得怕人的大厦和充斥着难闻的汽油味，煤灰和有毒气体和又阴暗又狭窄的街道所组成。
In addition , another four parameters closely connected with industrial and commercial pollution are used , measuring total cyanide , fluoride , oil and grease , and detergent 当水体受到有机物污染时，常因水中的含氧量下降而产生难闻的气味。
