crude(a)
n.a dark oil consisting mainly of hydrocarbons 同义词：petroleumcrude oilrock oilfossil oil
adj. not carefully or expertly made"managed to make a crude splint"; " a crude cabin of logs with bark still on them"
同义词：rough
conspicuously and tastelessly indecent"a crude joke"; " crude behavior"
同义词：coarseearthygrossvulgar
not refined or processed"crude oil"
同义词：unrefinedunprocessed
belonging to an early stage of technical development; characterized by simplicity and (often) crudeness"the crude weapons and rude agricultural implements of early man"
同义词：primitiverude
devoid of any qualifications or disguise or adornment"the crude facts"
同义词：bluntstark(a)
not processed or subjected to analysis"only the crude vital statistics"
同义词：raw