| ประโยคภาษาจีน : 中文句子 | 
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|  kē xué jiā科学家  shuō说  guò qù过去  rèn wéi认为  yǒng dòng tǔ永冻土  jiě dòng解冻  huì会  pái fàng排放  èr yǎng huà tàn二氧化碳  hè和  jiǎ wán甲烷  yǎng huà yà dàn氧化亚氮  zé则  bú huì不会  shì fàng释放  chu lai出来 | 
| The scientists said that past studies had reckoned that carbon dioxide and methane were released by a thaw of permafrost while nitrous oxide stayed locked up. |