ad. 在周圍,附近:We need to drive about 30 minutes to get there. 開車到那里,我們需要大約半個(gè)小時(shí)的時(shí)間。ad. 大約,差不多:About 200 famous professors and experts attended the symposium. 大約200名專家教授參加了這次研討會(huì)。prep. 關(guān)于,對(duì)于,有關(guān):Tell me som......（本文共 527 字）     [閱讀本文] >>