string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B8%B8%E8%A7%81%E5%9B%BD%E5%AE%B6%E7%9A%84%E8%8B%B1%E6%96%87%E5%8D%95%E8%AF%8D%E6%9C%89%E5%93%AA%E4%BA%9B => Failed to connect to 14.18.117.71 port 38069: Connection refused"
常见国家的英文单词有哪些
