string(243) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9B%BD%E5%AE%B6%E7%9A%84%E8%8B%B1%E8%AF%AD%E5%8D%95%E8%AF%8D100%E4%B8%AA => Failed to connect to 101.89.117.144 port 38005: Connection refused"
国家的英语单词100个
