单词	plumb
释义	plumb1 verbplumb2 adverbplumb3 adjective plumbplumb1 /plʌm/ verb [transitive] Word Origin WORD ORIGINplumb1 Origin: 1500-1600 plumb ‘metal weight on a plumb line’ (13-21 centuries), from Old French plomb ‘lead’, from Latin plumbum Verb Table VERB TABLE plumb Simple Form Present I, you, we, they plumb he, she, it plumbs Past I, you, he, she, it, we, they plumbed Present perfect I, you, we, they have plumbed he, she, it has plumbed Past perfect I, you, he, she, it, we, they had plumbed Future I, you, he, she, it, we, they will plumb Future perfect I, you, he, she, it, we, they will have plumbed Continuous Form Present I am plumbing he, she, it is plumbing you, we, they are plumbing Past I, he, she, it was plumbing you, we, they were plumbing Present perfect I, you, we, they have been plumbing he, she, it has been plumbing Past perfect I, you, he, she, it, we, they had been plumbing Future I, you, he, she, it, we, they will be plumbing Future perfect I, you, he, she, it, we, they will have been plumbing Examples EXAMPLES FROM OTHER DICTIONARIES Dubus, in his essays, tries to plumb the feelings of women. EXAMPLES FROM THE CORPUS Much mystique surrounds this territory as nobody has yet plumbed its limitations or possibilities. The government said today that consumer confidence in December plumbed its lowest level ever since consumer surveys started, in January 1987. The system easily plumbs into existing induction hoppers. Who can plumb and penetrate such a person? Collocations COLLOCATIONS FROM THE CORPUSNOUN► depth · How could they soar so high one minute, then plumb the depths?· It was Amy who correctly assessed her brother, although not even she plumbed the depths of his duplicity.· Perhaps he plumbed a depth beyond human sensitivity.· We certainly need to continue our investigations; to advance ideas; to plumb the mysterious depths of the human psyche. 1plumb the depths (of despair/misery/bad taste etc) to feel an unpleasant emotion in a very extreme way, or to behave in a way that is extremely unpleasant or morally bad:  When his wife left him, Matt plumbed the very depths of despair. That night they plumbed the depths of treachery and horror, and murdered the king as he slept.2to succeed in understanding something completely SYN  fathom:  Psychologists try to plumb the deepest mysteries of the human psyche.plumb something ↔ in phrasal verb to connect a piece of equipment such as a washing machine to the water supply plumb1 verbplumb2 adverbplumb3 adjective plumbplumb2 adverb Examples EXAMPLES FROM OTHER DICTIONARIES I'm sorry. I plumb forgot. EXAMPLES FROM THE CORPUS Gets out there with them statues, she gets plumb crazy. Josefina and I were plumb about to lose it. 1[always + adverb/preposition] informal exactly:  The bullet hit him plumb between the eyes.2American English informal completely – often used humorously:  The whole idea sounds plumb crazy to me. plumb1 verbplumb2 adverbplumb3 adjective plumbplumb3 adjective technical Examples EXAMPLES FROM THE CORPUS A plumb bob is useful to check the alignment of the header with the sill. But again, as with the lintels, the union did not allow the bricklayers to use a plumb line. If any walls appear to lean, check by going back to the nearest upper window and drop a plumb line down. The barometer had dropped like a plumb weight. The sides, or jambs, must also be straight, plumb and square with the sill. Twittering song uttered in soaring display flight, followed by butterfly-like descent with wings raised and a final plumb drop. Collocations COLLOCATIONS FROM THE CORPUSNOUN► line · If any walls appear to lean, check by going back to the nearest upper window and drop a plumb line down.· But again, as with the lintels, the union did not allow the bricklayers to use a plumb line. 1exactly upright or level2out of plumb not exactly upright or level
随便看	perm permafrost permanence permanent permanently permanent press Permanent Secretary permanent wave permatan permatanned permeability permeable permeate perming permissible permission permissive permissiveness permit permutation pernicious pernicious anaemia perniciously pernickety peroration

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