任何PHP库与德语到英语词典的翻译？

are there any good libraries out there? I tried using google translate API but it serves only limited number of requests per minute. Has anbody used UNI leipzig service for translation?

here is microsoft's web solution: http://msdn.microsoft.com/en-us/library/dd638310.aspx

here is a php wrapper for the google translate api: http://code.google.com/p/gtranslate-api-php/