基本解釋n. 先入爲主;全神貫注;極爲忙碌(等於preoccupation)同根派生 preoccupancy相關詞英漢例句Occupation of a place in advance;preoccupancy. 搶先佔據(jù)預先對某地的佔據(jù);先佔Occupation of a place in advance; preoccupancy. 搶先佔據(jù)預先對某地的佔據(jù);先佔preoccupancy, 先佔(全神貫注),音標preoccupancy更多例句專業(yè)釋義毉葯科學全神貫注