《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] 翻译: 孙彦先云： 虹，雨中日影也，日照雨即有之。  [/INST] 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>
翻译: 孙彦先云： 虹，雨中日影也，日照雨即有之。
user
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.
assistant