| 释义 | 
		pre·occupied \(ˈ) ̷ ̷+\ adjective Etymology: from past participle of preoccupy 1.   a.  : lost in thought : engrossed, absorbed  b.  : already occupied : filled 2.  : previously applied to some other group and therefore unavailable according to the rules of nomenclature for use in a new sense — used of a biological generic or specific name |