| ประโยคภาษาจีน : 中文句子 | 
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|  rú guǒ如果  tài yang太阳  zhǐ只  fā chū发出  hěn xiǎo很小  yì diǎn一点  de的  guāng光  bìng qiě并且  dì qiú地球  zhōu wéi周围  bù不  cún zài存在  dà qì céng大气层  nà me那么  zài在  chūn fēn春分  zhè tiān这天  zhòu yè昼夜  děng cháng等长  dōu都  shì是  gè个  xiǎo shí小时 | 
| If the sun were just a tiny point of light and Earth had no atmosphere, then day and night would each be exactly 12 hours long on a spring equinox day. |