单词	primary source
释义	primary sourceˌprimary ˈsource noun [countable] Examples EXAMPLES FROM THE CORPUS For these reasons it is often difficult in many cases to trace a single primary source. Moreover, they saw their primary source of leverage-financial rewards-as less effective with the big producer. Playing basketball has never been his primary source of income. The radio is the primary source of information and link to the outside world. The research involves the use of primary source materials in national and local archives. Tobacco has collapsed as a primary source of funds. a document, book etc that contains information that has been obtained from people’s experiences and not taken from other documents, books etc → secondary source
随便看	pathway patience patient patiently Patient's Charter patina patio patio doors patisserie patois Paton, Alan patriarch patriarchal patriarchy patrician patricide Patrick, Saint patrimony Patriot patriot patriotic patriotism patrol patrol car patrolman

英语词典包含52748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。