《梦溪笔谈·异事异疾附》
孙彦先说： 虹是雨中太阳的影子，太阳照雨就会有虹出现。 
孙彦先云： 虹，雨中日影也，日照雨即有之。 
Sun Yanxian said: A rainbow is the shadow of the sun in the rain, and when the sun shines on the rain, a rainbow appears.
<s>[INST] From the Classical Chinese script: 孙彦先云： 虹，雨中日影也，日照雨即有之。 , document the translation approach to render an English version. [/INST]
Initial step: Parsing the sentence to identify clauses, phrases, and words.
Following steps: Identifying parts of speech and sentence structure, looking up unfamiliar words in the dictionary, and understanding the overall meaning of the sentence.
English rendition: Sun Yanxian said: A rainbow is the shadow of the sun in the rain, and when the sun shines on the rain, a rainbow appears.</s>
From the Classical Chinese script: 孙彦先云： 虹，雨中日影也，日照雨即有之。 , document the translation approach to render an English version.
user
Initial step: Parsing the sentence to identify clauses, phrases, and words.
Following steps: Identifying parts of speech and sentence structure, looking up unfamiliar words in the dictionary, and understanding the overall meaning of the sentence.
English rendition: Sun Yanxian said: A rainbow is the shadow of the sun in the rain, and when the sun shines on the rain, a rainbow appears.
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