基本解释n. 先入爲主;全神貫注;極爲忙碌(等於preoccupation)同根派生 preoccupancy相关词英汉例句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更多例句专业释义毉葯科學全神貫注