四年级下册英语书所有重点单词

四年级下册英语书所有重点单词

Unit1:

1.apple-around,juicyfruitwithshinyredorgreenskin.

2.banana-alongcurvedfruitwithayellowskin.

3.cake-asweetbakedfoodmadefromflour,sugar,andotheringredients.

4.icecream-asweetfrozenfoodmadefromdairyproducts,sugar,andflavorings.

5.juice-aliquidthatisextractedfromfruitsorvegetables.

6.milk-awhiteliquidproducedbyfemalemammalstofeedtheiryoung.

7.pear-asweetjuicyfruitwitharoundedshapeandathingreenoryellowskin.

8.watermelon-alargefruitwithathickgreenskinandjuicyredorpinkflesh.

Unit2:

1.art-theexpressionorapplicationofhumancreativeskillandimagination.

2.basketball-agameplayedbetweentwoteamsoffiveplayers,inwhichalargeinflatedballisthrownthroughahoopmountedateachendofthecourt.

3.computer-anelectronicdeviceforstoringandprocessingdata.

4.English-theWestGermaniclanguagespokenbymostpeopleintheUnitedStates,theUnitedKingdom,Canada,Australia,NewZealand,andmanyothercountries.

5.gym-aroomorbuildingequippedforindoorsportsorexercise.

6.music-vocalorinstrumentalsoundscombinedinsuchawayastoproducebeautyofform,harmony,andexpressionofemotion.

7.science-theintellectualandpracticalactivityencompassingthesystematicstudyofthestructureandbehaviorofthephysicalandnaturalworldthroughobservationandexperiment.

8.swimming-thesportoractivityofpropellingoneselfthroughwaterusingthelimbs.

Unit3:

1.bike-avehiclewithtwowheelsthatispropelledbypedalsandsteeredwithhandlebars.

2.bus-alargemotorvehiclethatcarriespassengersbyroad.

3.car-aroadvehicle,typicallywithfourwheels,poweredbyaninternalcombustionengineandabletocarryasmallnumberofpassengers.

4.plane-anaircraftwithwingsandoneormoreengines,abletoflythroughtheair.

5.ship-alargeboatfortransportingpeopleorgoodsacrossthesea.

6.train-aseriesofconnectedvehiclestravelingonrails,pulledbyalocomotiveorpoweredbyself-propulsion.

7.taxi-acarlicensedtotransportpassengersinreturnforpaymentofafare.

8.subway-anundergroundelectricrailroadorrapidtransitsystem.

Unit4:

1.doctor-apersonwhoisqualifiedtotreatpeoplewhoareill.

2.farmer-apersonwhoownsormanagesafarm.

3.firefighter-apersonwhosejobistoextinguishfires.

4.nurse-apersontrainedtocareforthesickorinfirm,especiallyinahospital.

5.pilot-apersonwhooperatesthecontrolsofanaircraft.

6.policeofficer-amemberofthepoliceforce.

7.teacher-apersonwhoteaches,especiallyinaschool.

8.waiter-apersonwhosejobistoservecustomersattheirtablesinarestaurant.

Unit5:

1.book-awrittenorprintedworkconsistingofpagesboundtogether.

2.dictionary-abookorelectronicresourcethatliststhewordsofalanguage,typicallyinalphabeticalorder,andgivestheirmeaning.

3.library-abuildingorroomcontainingacollectionofbooksforreadingorborrowing.

4.magazine-aperiodicalpublicationcontainingarticlesandillustrations,typicallycoveringaparticularsubjectorareaofinterest.

5.newspaper-aprintedpublicationcontainingnews,information,andadvertisements,usuallypublisheddailyorweekly.

6.picture-apainting,drawing,photograph,orotherimage.

7.story-anaccountofimaginaryorrealpeopleandeventstoldforentertainmentoreducationalpur