高达40%的学生签证均已过期。Up to forty per cent of the students had overstayed their visas.有一种呛人的过期啤酒味。There was a powerful smell of stale beer.护照过期是无效的.A passport that is out of date is invalid....
At that moment a chime sounded from the front of the house.就在那时，房前传来一声铃。I heard the clock chime.我听见钟响报时。The chime of the clock woke him up.钟声敲醒了他。At this, some of the others chime in with memories of prewar deprivations....
Theoretically sludge yield is nil for the extended aeration process.对延时曝气法而言,理论上污泥生成量应为零.The gas contains blow - by, sludge, acids, oil, and other contaminant.这些气体包括窜缸气体, 沉积物, 酸, 机油和其它杂质的气体.Increasing of anoxic phasefavo...
尽管他身形庞大，移动起来还是很灵巧。Despite his bulk he moved lightly on his feet.庞大的海鸟群是最壮观的景象之一。Among the most spectacular sights are the great sea-bird colonies.他的双腿和他庞大身躯的其他部分相比瘦得可怜。His legs were pitifully thin compared to the rest of...