各个翻译器的翻译请求地址：
ALIBABA: 'https://translate.alibaba.com/api/translate/text',
BAIDU: 'https://fanyi-api.baidu.com/api/trans/vip/translate',
CAIYUN: 'http://api.interpreter.caiyunai.com/v1/translator',
GOOGLE: 'https://translate.google.com',*/
MYMEMORY: 'https://mymemory.translated.net',
YOUDAO: 'https://openapi.youdao.com/api',