The building work is now behind schedule, but contractors are confident that they can make up for lost time.这项建筑工程目前落后于预定计划，但是承包人有信心把失去的时间补回来。We got estimates from three different contractors before accepting the lowest....
The consortium includes some of the biggest building contractors in Britain.该联合企业包括英国最大的一些建筑承包商。Smaller contractors had been forced to shut down.规模较小的承包商已被迫歇业。We got estimates from three different contractors before acce...
所有的恒星都会发出光和热.All the stars send out light and heat.这样的天体本身也可能发出光, 但是它的重力最后还是会把光吸引回去.Light itself could leave from such an object, but gravity would eventually pull it back again.脉冲星是一种能够发出光脉冲的天体.A pulsar is a celestial o...