Cataracts is a condition that affects the transparency of the lenses.白内障是一种影响晶状体透明性的疾病。The rotor cataracts water over the top of the machines.回转轮将水从机器顶上注入.In one study, light smokers were found to be more than twice as l...
The company has steadily been losing market share to Boeing and Airbus.该公司的市场份额持续不断地被波音公司和空中客车公司抢走。Buying that airbus was an expensive mistake.买那种客机是个代价高昂的错误.Chicago based Boeing has been a fierce competition for sales w...
[建筑学]拱顶石:位于拱顶的塞缝石.Architecture The keystone in the crown of an arch.用防水原料填塞缝隙或塞缝片一年也能节省一千七百磅.Caulking and weather - stripping can save another 1,700 pounds per year....