1958Times Lit. Suppl. 15 Aug. 13 (Advt.), This well-researched book has been highly acclaimed.
1966[see researched ppl. a. 2].
1978Jrnl. R. Soc. Med. LXXI. 697/1 There is a respectable weight of well-researched evidence.
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。