八年級(jí)下冊(cè)英語(yǔ)重點(diǎn)單詞下面是八年級(jí)下冊(cè)英語(yǔ)重點(diǎn)單詞的詳細(xì)介紹，每個(gè)單詞都會(huì)有定義、用法和示例句子。

1.achieve[v.]-tosuccessfullyreachagoalorcompleteatask

Examplesentence:IstudiedhardandwasabletoachievemygoalofgettinganAonthetest.

2.analyze[v.]-toexaminesomethingcarefullyinordertounderstanditbetter

Examplesentence:Thedetectiveanalyzedthefingerprintstodeterminewhohadcommittedthecrime.

3.apparent[adj.]-easytoseeorunderstand

Examplesentence:Thedamagetothecarwasapparentaftertheaccident.

4.benefit[n.]-somethingthatishelpfuloradvantageous

Examplesentence:Regularexercisehasmanybenefits,suchasimprovedhealthandincreasedenergy.

5.confident[adj.]-havingbeliefinoneselfandone'sabilities

Examplesentence:Shefeltconfidentthatshewouldperformwellinthejobinterview.

6.contribute[v.]-togiveorprovidesomethingasapartofagrouporeffort

Examplesentence:Manypeoplecontributedmoneytohelpthoseaffectedbythenaturaldisaster.

7.demonstrate[v.]-toshoworexplainhowsomethingworksorisdone

Examplesentence:Theteacherusedascienceexperimenttodemonstratetheconceptofgravity.

8.emphasize[v.]-togivespecialimportanceorattentiontosomething

Examplesentence:Thespeakeremphasizedtheneedforeveryonetoworktogethertosolvetheproblem.

9.expand[v.]-tomakelargerormoreextensive

Examplesentence:Thecompanyplanstoexpanditsoperationsoverseas.

10.feature[n.]-adistinctiveorprominentaspectorcharacteristic

Examplesentence:Thenewphonemodelhasmanyfeatures,suchasahigh-resolutioncameraandawaterproofdesign.

11.global[adj.]-relatingtoorinvolvingtheentireworld

Examplesentence:Climatechangeisaglobalissuethatrequiresinternationalcooperationtoaddress.

12.identify[v.]-torecognizeorestablishtheidentityofsomeoneorsomething

Examplesentence:Thewitnesswasabletoidentifythesuspectinapolicelineup.

13.influence[n.]-thepowertohaveaneffectonsomeoneorsomething

Examplesentence:Parentsoftenhaveastronginfluenceontheirchildren'sbehavior.

14.investigate[v.]-tocarryoutasystematicorformalinquirytodiscoverfactsorinformation

Examplesentence:Thedetectiveinvestigatedthecrimescenetogatherevidence.

15.major[adj.]-ofgreaterimportanceorsignificance

Examplesentence:Theinventionoftheinternetwasamajormilestoneinhumanhistory.

16.occur[v.]-tohappenortakeplace

Examplesentence:Theaccidentoccurredat3p.m.yesterday.

17.participate[v.]-totakepartorbeinvolvedinanactivityorevent

Examplesentence:Manystudentschoosetoparticipateinafter-schoolclubsandsports.

18.recommend[v.]-tosuggestorendorsesomethingasbeinggoodorsuitable

Examplesentence:Thedoctorrecommendedthatshetakeavitaminsupplement.

19.similar[adj.]-havingaresemblanceorlikeness

Examplesentence:Thetwocarslookverysimilar,buttherearesomedifferencesintheirfeatures.

20.tradition[n.]-along-establishedorinheritedwayofthinkingoracting

Examplesentence:ItisatraditioninourfamilytohaveabigdinneronThanksgiving.21.acknowledge[v.]-toacceptoradmittheexistenceortruthofsomething

Examplesentence:Heacknowledgedhismistakeandapologizedtohisfriend.22.balance[v.]-tokeeporputsomethinginasteadyposition;toequalizeoroffset

Examplesentence:Shebalancesherworkandpersonallifeeffectively.23.challenge[v.]-toinvitesomeonetoengageinacontestorcompetition

Examplesentence:Hechallengedhisfriendtoagameofbasketball.24.debate[n.]-aformaldiscussionorargumentaboutasubject,especiallyoneinwhichtwosidesexpressdifferentopinions

Examplesentence:Thestudentshadadebateaboutwhethertechnologyhasimprovedourlives.25.dream[n.]-aseriesofthoughts,images,andsensationsoccurringinaperson'smindduringsleep

Examplesentence:Shehadadreamaboutflyingthroughthesky.26.effort[n.]-theabilitytoproducepowerfulphysicalormentalactivity

Examplesentence:Ittookalotofeffort,buthefinallyfinishedtheprojectontime.27.frustrate[v.]-tomakesomeonefeelannoyedorlessconfidentbecausetheyareunabletoachievewhattheywant

Examplesentence:Theconstantdelaysfrustratedthepassengerswaitingfortheirflight.28.generous[adj.]-willingtogiveorsharefreely;showingareadinesstogivemoreofsomething,especiallymoney,thanisstrictlynecessaryorexpected

Examplesentence:Sheisknownforhergenerousdonationstocharity.29.immediate[adj.]-happeningorcomingnextwithoutanydelay;atonce

Examplesentence:Hecalledforimmediatemedicalassistanceaftertheaccident.30.impress[v.]-tomakeastrongandfavorableimpressiononsomeone

Examplesentence:Theimpressiveperformanceoftheactorlefttheaudienceinawe.31.initiative[n.]-theabilitytoassessandinitiatethingsindependently

Examplesentence:Thecompanyencouragesitsemployeestotakeinitiativeandbecreative.32.justify[v.]-toshoworprovetoberightorreasonable

Examplesentence:Hetriedtojustifyhisactions,butnoonewasconvinced.33.knowledge[n.]-theunderstandingorinformationthatsomeonehasaboutasubject,whichtheyhavegainedfromexperienceoreducation

Examplesentence:Shehasextensiveknowledgeinthefieldofbiology.34.motivate[v.]-toprovidesomeonewithareasonorincentivetodosomething

Examplesentence:Thecoachmotivatedtheteamwithinspiringwordsbeforethegame.35.obstacle[n.]-somethingthatmakesitdifficultforsomeonetoachievesomething

Examplesentence:Lackoffundingisamajorobstacleformanysmallbusinesses.36.perspective[n.]-aparticularwayofconsideringsomething;apointofview

Examplesentence:Seeingthesituationfromadifferentperspectivehelpedhimmakeabetterdecision.37.precious[adj.]-veryvaluableorimportantandnottobewastedorusedcarelessly

Examplesentence:Timeisprecious,soweshouldmakethemostofit.38.priority[n.]-somethingthatismoreimportantthanotherthingsandthatneedstobedealtwithfirst

Examplesentence:Savingtheenvironmentshouldbeatoppriorityforeveryone.39.recommend[v.]-tosuggestorproposesomethingassuitableorbeneficial

Examplesentence:Thedoctorrecommendedahealthydietandexercise.40.reject[v.]-todecidenottoacceptorusesomething;tosaythatsomethingisnotgoodenough

Examplesentence:Thecompanyrejectedtheproposalduetobudgetconstraints.41.routine[n.]-asequenceofactionsregularlyfollowed

Examplesentence:Followingamorningroutinehelpshimstartthedayproductively.42.secure[adj.]-protectedfromdanger,loss,ortheft;notlikelytobeaffectedbyharmorinjury

Examplesentence:Thebuildinghassecurelocks