"His work preoccupies him" "The matter preoccupies her completely--she cannot think of anything else"
"the army preoccupied the hills"
preoccupy是什么意思
preocular是什么意思
preoperative是什么意思
preoption是什么意思
preoral是什么意思
preordain是什么意思
preordination是什么意思
preovulatory是什么意思
prep是什么意思
prepackage是什么意思