adj.全神貫注的；出神的；搶先占有的
動詞preoccupy的過去式和過去分詞.
Why is humanity so preoccupied with right and wrong? 為什么人類如此專注于對和錯？
I was too preoccupied to hear the bell. 當時我出神地想著心事，沒有聽見門鈴響。
He answered me in a rather preoccupied manner. 他心不在焉地回答我。
