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1、ah int.acryofsurprise,pity,pain,joy,dislike,etc.啊,哈air-conditioner n.adeviceusedtocontroltemperature,humidity,cleanliness,andmovementofairinconditionedspace空调机★air-conditioning n.thesystemthatusesmachines(air-conditioners)tocontrolthetemperatureoftheairinaroomorbuildingtok
2、eepitcoolanddry空调(系统) appliance n.anapparatus,instrument,ortoolforaparticularpurpose,esp.anelectricalmachinethatisusedinthehouse器具,器械,(尤指)家用电器 artificial adj.madebyhumans,esp.asacopyofsomethingnatural人造的 battery n.anapparatusforproducingelectricity,consistingofagroupofconn
3、ectedelectriccells电池 communicative adj.relatingtocommunication通讯的;交际的 conference n.aformalmeeting,whichisheldsothatopinionsandideascanbeexchanged大会,会议 conscious adj.knowing,understanding,orrecognizingsomething有意识的,有知觉的 constant adj.fixedorunchanging不变的 dam n.awallorbankbui
4、ltacrossarivertokeepbackwater,esp.tomakeareservoir水坝,堤坝 debate n.ameeting,esp.inpublic,inwhichaquestionistalkedaboutbyatleasttwopeopleorgroups,eachexpressingadifferentopinion争论,辩论 deforestation n.theactionofclearinganareaofforestortrees采伐森林 disaster n.suddenseriousmisfortu
5、necausinggreatsufferinganddamage灾难 dispose v.togetridof处理 drought n.(alongperiodof)dryweatherwhenthereisnotenoughwater干旱 ecological adj.oforconcerningecology生态(学)的 efficiency n.goodproductivityorperformance效率 erosion n.theprocessoferodingorbeingeroded腐蚀,侵蚀 faucet n.adevice
6、throughwhichtheflowofwaterorotherliquidsiscontrolled水龙头 forum n.aplacewherepublicmattersmaybetalkedoverandarguedabout论坛,讨论会 garbage n.wastematerial,e.g.fromahouseoroffice,tobethrownaway垃圾,废物 gas n.(atypeof)substancelikeair,whichisnotsolidorliquidandusuallycannotbeseen气体 ha
7、rmful adj.causingorlikelytocauseharm有害的,伤害的 hence adv.forthisreasonorfromthisorigin;therefore因此,从此 host n.apersonwhoreceivesguestsandprovidesfood,drink,andamusementforthem主人,东道主 influence n.(thepowertohave)aneffectonsomeoneorsomethingwithouttheuseofdirectforceorcommand影响 i
8、nstall v.toset(anapparatus)up,readyforuse安装 liter n.ametricmeasureofliquid公升 mount v.topr