那座城市的街道肮脏不堪，弥漫着令人窒息的废气。The city's streets are filthy and choked with exhaust fumes.肺呼出这些废气被排到空气中。As the lungs exhale this waste, gas is expelled into the atmosphere.问题在于废气中含有很多毒素。The problem was that the exhaust gas...
不久之后，国防开支的削减迫使航空航天业紧缩开支。Shortly afterwards, cuts in defence spending forced the aerospace industry to retrench.这些公司决心要垄断香蕉业。These companies are determined to keep a stranglehold on the banana industry.到19世纪中期，大众制陶业得到了发展。...