Re: (2)字根--re,hyper,un,tri,pre,mis,sub

Posted by 123 on 2008/8/3 21:57:50

— hy·per·ac·id \ˌhī-pər-ˈa-səd\ adjective

the condition of containing more than the normal amount of acid .

http://www.merriam-webster.com/dictionary/hyperacid