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简介：LeoandSamexitedandlockedthecarinahurry,forgettingtoremovethekeywhichwasintheignition.Realizingthemistake,Leoasked,“Whydontwegetacoathangertoopenit.”“No,thatwontwork,”answeredSam.“Peoplewillthinkweretryingtobreakin.”SoLeosuggested,“Whatifweuseapocketknifetocutaroundtherubber,thenstickafingerinandpullup

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简介：有同学问：是否可用asmanyas替换“OnSportsDayduringtherelayrace,youwillusemostofall,perhapsasmuchas650caloriesanhour.（在运动会的接力赛跑中，你消耗的热量最多，每小时可能多达650卡。）”一句中的asmuchas？

简介：英语字典里到底有多少单词?这是个很难回答的问题，因为——

简介：Inmechanics,bothclassicalandquantum,onestudiestheprofoundinteractionbetweentwotypesofenergy,namely,thekineticenergyandthepotentialenergy.Theformercanbeorganizedasthekinematicmetricontheconfigurationspacewhilethelattercanberepresentedbyasuitablepotentialfunction,suchastheNewtonianpotentialincelestialmechanicsandtheCoulombpotentialinquantummechanicsofatomicandmolecularphysics.Inthispaper,theauthorstudiesthekinematicgeometryofn-bodysystems.Themainresultsaxe(i)theintroductionofacanonicalcoordinatesystemwhichrevealsthetotalamountofkinematicsymmetrybyanSO(З)×O(n-1)actioninsuchacanoniealcoordinaterepresentation;(ii)anindepthanalysisoftheabovekinematicsystembothinthesettingofclassicalinvarianttheoryandbythetechniqueofequivarjantRiemanniangeometry;(iii)aremarkablysimpleformulaforthepotentialfunctioninsuchacanonicalcoordinatesystemwhichrevealsthewell-fittingbetweenthekinematicsymmetryandthepotentialenergy.

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简介：TheshootingoftheTVplayAHandsomeMan(《那小子真帅》),whichwasadaptedfromaclassiclovestorywiththesamenamebyKeAitao(可爱淘),hascometoanend.Manysupergirlsandsuperboysplayaroleinit,includingLiNa(厉娜),YangLei(阳蕾),andChenXibei(陈西贝),whoarenowintroducingtheplaytothepublicinBeijing.

简介：Youshouldhavefourdifferentkindsofteeth.Theincisors(frontteeth)cutandchopfood.Wehavefouronthetopandfouronthebottom(底部).

简介：howmuch的意思是“多少钱”。我们用它来询问价格。如果所询问的东西是不可数名词或可数名词的单数时，后面的谓语动词用is；所询问的东西是可数名词复数或不止一种东西时，后面的谓语动词用are。如：