单词	pivot
释义	pivot1 nounpivot2 verb pivotpiv‧ot1 /ˈpɪvət/ noun [countable] Word Origin WORD ORIGINpivot1 Origin: 1600-1700 French Examples EXAMPLES FROM OTHER DICTIONARIES Nuclear weapons and the missiles to deliver them became the pivot around which much of the Cold War revolved. EXAMPLES FROM THE CORPUS Any friction at the hammer pivot will slow down the movement of the hammer, tending to make the action sluggish. Classification as a linking device or pivot. He was a great pivot man and developed a very good outside shot. It was at the pivot of the secondary system - the process of selection - that innovation apparently took place. New designs with foot pivots allow snow hikers to tackle almost any hill or valley. Secondly, the bounds provided by penalties can be used to prune the tree and avoid unnecessary pivots. The tableau is no longer primal feasible and one further pivot as shown. is required to achieve an optimal tableau in which. word sets WORD SETS► Mechanical ball bearing, nounbelt, nouncog, nouncombustion chamber, nounconveyor belt, nouncoolant, nouncooling system, nouncrank, verbdifferential, noundisengage, verbdismantle, verbdrive, nounfour-stroke engine, nounfuel cell, nounfulcrum, noungear, nounheat pump, nounhydraulic, adjectiveinertia, nounmechanical, adjectivemechanical engineering, nounmill, nounmillstone, nounmillwheel, nounmomentum, nounmotive, adjectiveneutral, nounnuclear reactor, nounoil pan, nounpivot, nounpropulsion, nounpulley, nounpump, nounrace, verbratchet, nounreactor, nounregulate, verbretract, verbrev, verbrev, nounrotor, nounselector, nounstarter motor, nounstress, nounstressed, adjectivestrip, verbsump, nounsupercharged, adjectivetemplate, nountop gear, nountorque, nountwo-stroke, adjectiveuniversal joint, nounvalve, nounwheel, nounwinch, nounwindlass, noun Collocations COLLOCATIONS FROM THE ENTRY► the pivot on/around which something turns/revolves  Iago’s lie is the pivot on which the play turns. COLLOCATIONS FROM THE CORPUSNOUN► point · When cutting, the saw is partially rested on its metal shoe, which acts as a pivot point.· A system can only be stable if the center of gravity is under the pivot point.· However, the bike gains adjustable rake and trail and an adjustable swingarm pivot point.· In all these respects, a product mindset provides a pivot point for other vital ingredients of success.· The rivet would have gone through the tang of the triangular-shaped blade and acted as a pivot point. 1a central point or pin on which something balances or turns2[usually singular] (also pivot point) the most important thing in a situation, system etc, which other things depend on or are based onthe pivot on/around which something turns/revolves Iago’s lie is the pivot on which the play turns.pivot of West Africa was the pivot of the chocolate trade. pivot1 nounpivot2 verb pivotpivot2 verb Verb Table VERB TABLE pivot Simple Form Present I, you, we, they pivot he, she, it pivots Past I, you, he, she, it, we, they pivoted Present perfect I, you, we, they have pivoted he, she, it has pivoted Past perfect I, you, he, she, it, we, they had pivoted Future I, you, he, she, it, we, they will pivot Future perfect I, you, he, she, it, we, they will have pivoted Continuous Form Present I am pivoting he, she, it is pivoting you, we, they are pivoting Past I, he, she, it was pivoting you, we, they were pivoting Present perfect I, you, we, they have been pivoting he, she, it has been pivoting Past perfect I, you, he, she, it, we, they had been pivoting Future I, you, he, she, it, we, they will be pivoting Future perfect I, you, he, she, it, we, they will have been pivoting Examples EXAMPLES FROM OTHER DICTIONARIES The security cameras can automatically pivot to monitor the entire hallway. EXAMPLES FROM THE CORPUS But at some point history pivoted. Instead, she pivots, dribbles and lunges toward the basket again. She pivoted on her hands so that she was facing the other direction. She pivots again, and in two long strides she is down at the far end of the bench watching the play. The board will pivot round the skeg. The tableau is no longer optimal, so we must pivot in the x 1 -column to restore dual feasibility. They turn counter-clockwise by crossing one foot over another and pivoting, again and again. Collocations COLLOCATIONS FROM THE CORPUSADVERB► around · The entire body of the dinosaur would have been pivoted around the hip girdle.· When a glider is on the ground it does not pivot around its c.g. as it does in flight.· Instead it pivots around the main wheel. 1[intransitive, transitive] to turn or balance on a central point, or to make something do thispivot on The table-top pivots on two metal pins.2[intransitive] to turn quickly on your feet so that you face in the opposite direction:  Magee pivoted and threw the ball to first base.pivot on/around something phrasal verb to depend on or be based on one important thing, event, or idea:  His argument will pivot on the growing cost of legal fees.
随便看	vestige vestigial vestment vestry Vesuvius vet vetch veteran veteran car Veterans Affairs Veterans Association Veterans Day Veterans of Foreign Wars veterinarian veterinary veterinary surgeon veto Vettel, Sebastian vex vexation vexatious vexatiously vexed vexing V-formation

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