string(373) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%A8%E6%81%B0%E5%BD%93%E7%9A%84%E5%85%B3%E8%81%94%E8%AF%8D%E8%AF%AD%E5%A1%AB%E7%A9%BA%E5%B9%B6%E9%80%89%E6%8B%A9%E5%85%B6%E4%B8%AD%E7%9A%84%E4%B8%80%E7%BB%84%E5%86%99%E8%AF%9D%E6%80%8E%E4%B9%88%E5%86%99 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
用恰当的关联词语填空并选择其中的一组写话怎么写
