| ประโยคภาษาจีน : 中文句子 | 
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|  lā dīng yǔ拉丁语  lǐ里  de的  zhǐ指  fēng xiāng风箱  jí即  yì zhǒng一种  kě yǐ可以  fǎn fù反复  jǐ yā挤压  de的  qì náng气囊  yòng lái用来  jiāng将  yǎng qì氧气  chuī吹  dào到  shāo hóng烧红  de的  méi tàn煤炭  shàng上 | 
| Follis in Latin referred to bellows which were effectively bags of air that could be repeatedly squeezed, resulting in a blowing of oxygen on the hot coals of a fire. |