Question

to grind away to grind, rub; study, research 研 研的字源http://zhongwen.com/cgi-bin/zipux2.cgi?b5=%AC%E3・研的筆順http://stroke-order.learningweb.moe.edu.tw/word_detail.jsp?big5=ACE3・研在n词酷http://www.nciku.com/search/zh/%E7%A0%94・研在RTK：polishhttp://kanji.koohii.com/study/?framenum=675

Accepted Answer

yán 研 0573

Keyword	to grind away
Reading	yán
Connotation	to grind, rub; study, research
Traditional Hanzi	研
Simplified Hanzi	研
RTH Index	0573
References	研的字源 http://zhongwen.com/cgi-bin/zipux2.cgi?b5=%AC%E3 ・研的筆順 http://stroke-order.learningweb.moe.edu.tw/word_detail.jsp?big5=ACE3 ・研在n词酷 http://www.nciku.com/search/zh/%E7%A0%94 ・研在RTK：polish http://kanji.koohii.com/study/?framenum=675

研 Grind Yán Rub Study Research