单词	drilling fluid
释义	drilling fluid noun variants or drilling mud : a mixture of clay and other chemicals with oil or water that is circulated around the drill bit in oil-well drilling in order to lubricate and cool the bit, flush rock cuttings to the surface, and plaster the side of the well to prevent cave-ins Word History First Known Use 1913, in the meaning defined above
随便看	talkable talkathon talkathons talkative talkatively talkativeness talkativenesses talkbacks talked talked (about) talked (into) talked (to) talked a blue streak talked about talked around talked at talked down talked down (to) talked down to talked into talked of talked oneself out of talked oneself out of something talked out talked out of

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