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. 搶先佔據預先對某地的佔據;先佔Occupation of a place in advance; preoccupancy. 搶先佔據預先對某地的佔據；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