id	domain	url
cet-1010	www.aidic.it	www.aidic.it/cet
cet-1010	dict.cnki.net	http://dict.cnki.net/dict_result.aspx?searchword=%e8%9e%ba%e6%97%8b%e6%9d%86&tjtype=sentence&style=&t=screw+pole