adj.全神贯注的；出神的；抢先占有的
动词preoccupy的过去式和过去分词.
Why is humanity so preoccupied with right and wrong? 为什么人类如此专注于对和错？
I was too preoccupied to hear the bell. 当时我出神地想着心事，没有听见门铃响。
He answered me in a rather preoccupied manner. 他心不在焉地回答我。
