元帅迈过真空吸尘器，脚步沉重地走出了房间。The Marshal stepped over the vacuum-cleaner and stumped out of the room.真空包装的火腿片应在食用前30分钟把包装除去。Vacuum-packed ham slices should be unwrapped 30 minutes before serving.即使平放，这个真空水杯也是滴水不漏。The flask is co...
It's been believed for centuries that great writers, composers and scientists are essentially quite different from ordinary people...几个世纪以来人们一直相信伟大的作家、作曲家和科学家从根本上就与普通人大不相同。On a cold day there can be quite a draught ...