string(339) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BF%85%E8%83%8C%E7%9A%84%E8%8B%B1%E8%AF%AD%E5%9B%BD%E5%AE%B6%E5%90%8D%E7%A7%B0%E5%8F%8A%E5%AE%83%E4%BB%AC%E7%9A%84%E5%BD%A2%E5%AE%B9%E8%AF%8D%E6%9C%89%E5%93%AA%E4%BA%9B => Failed to connect to 101.89.117.144 port 38208: Connection refused"
必背的英语国家名称及它们的形容词有哪些
