delve

v. 深入探究，钻研，挖掘

deliriously, delirium, delirium tremens, deliver, deliverance, deliverer, delivery, delivery note, delivery van (US delivery truck), dell, delouse, Delphic, delphinium, delta, delta wing aircraft, delude, deluge, delusion, delusive, delusively, Dem, dem(o)-, demagnetization, -isation, demagnetize, demagnetise, demagogic, demagogue, demagogy, demand, demand bill, demand loan, demand for, demand to do, demanding, demarcate, demarcation, demarche, demean, demeaning, demeanour (US demeanor), demented, dementedly,