是谁发明了纸？
Invention of papermaking is improving, rather than the inventor of paper.
蔡伦只是改进造纸术，而不是纸的发明人。
Cai Lungs new technique spread quickly, and he was recognized by the later generations as the inventor of paper.
蔡伦的新技术迅速传开，他被后世认为是纸的发明者。
After 13 years of tinkering, the inventor from Iowa introduced a 10-foot-long contraption that sliced and stuffed loaves of bread into wax paper wrapping. The world changed.
经过了13年的修修补补，这位来自爱荷华州的发明家终于制成了一种10英尺长的精巧装置。这种装置能够将成条的面包切成片并装进蜡纸包装袋里。世界从此发生了改变。
It is generally assumed that Cai Lun of the Eastern Han Dynasty (AD 25-220) was the inventor of plant-fiber paper. Bi Sheng in the Northern Song Dynasty (960-1127) invented movable clay printing.
其中，东汉时期的蔡伦（AD25-220）被认为是造纸术的发明者，北宋时期的毕升（960-1127）是活字印刷术的发明者。
After 13 years of tinkering, the inventor from Iowa introduced a 10-foot-long contraption that sliced and stuffed loaves of bread into wax paper wrapping.
经过了13年的修修补补，这位来自爱荷华州的发明家终于制成了一种10英尺长的精巧装置。这种装置能够将成条的面包切成片并装进蜡纸包装袋里。
After 13 years of tinkering, the inventor from Iowa introduced a 10-foot-long contraption that sliced and stuffed loaves of bread into wax paper wrapping.
经过了13年的修修补补，这位来自爱荷华州的发明家终于制成了一种10英尺长的精巧装置。这种装置能够将成条的面包切成片并装进蜡纸包装袋里。
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