这里的竹楼都是架空的.The bamboo huts here are all built on stilts.而他这理想未必完全是架空的.These were no castles in the air.翱翔着的飞鸟和滑翔用的伞翼,是这架空前成功的人力飞机设计之关键.Soaring birds and gliding wings were keys to the design of the first successful human...
Stealing salt was considered a major crime during some eras of history.在某些历史时期,曾把偷盐定为大罪.Usually , historical eras are defined by accomplishments analyzed with the benefit of contextua 1 hindsight.如何定义具有重在历史意义的时代呢?这取于这时代中...