| ประโยคภาษาจีน : 中文句子 | 
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|  xuě shàng jiā shuāng雪上加霜  de的  shì是  cháng shí长时  jiān间  bào guāng曝光  yú于  wēi zhòng lì微重力  zhī xià之下  yǐ已  bèi被  zhèng shí证实  huì会  jiā jù加剧  yǔ háng yuán宇航员  de的  lǎo huā yǎn老花眼 | 
| This is compounded by the fact that long exposures to microgravity have been shown to exacerbate presbyopia in astronauts. |