新概念2015網(wǎng)絡(luò)課程第三冊(cè)nce3lesson

astronomy:astronaut,astrology, y:havingnoboundariesorsolar solargenerate:tobringintobeing;giverise ：gene,realmafieldsphereorprovincetherealmofscience科學(xué)界makeendeavortodoLesson55Recentdevelopmentsinastronomyhavemadeitpossibletodetect….:because,(inrelative netsareveryinrelativeterms: netsisprovinghardVenusisfartoohotandMarsisfartoocoldtosupporttooadj.todosth.far:muchAndevenhereithastakenmorethan…toevolve:ittakestimeforsb.todosth.thatisthatmeansuptobecapableof:beabletoalternatively:Ifthestarweresmallprovidesth.forsb.todoThereis escope(inexistence)(thatItisimpossibleto…(by)usingearth- becausethedustesthinnerthefurtherwe ,the+ :其中前半部分表結(jié)果，the和逗號(hào)均可省,后半部分表?xiàng)l件; 例：Aires(the)lessdensethehigheryou=Thehigheryougo,thelessdenseairBecausethedustes(the)thinner,thefurtherwetraveltowardstheouteredgesofourownsolarsystem.Becausethefurtherwetraveltowardstheouteredgesofourownsolarsystem,thethinnerthedustes.15.15.oncewedetectednetratherthanotherthan例：Thebuildingotherthanthewindowsisｗealwayscherishthehopethat參看Lesson34observe:Nohumanendeavororthoughtwouldbeunchangedby雙否句；參看Lesson9和Lesson26Lesson55(成人版Forthousandsofyearsofrecordedhistory,oursolarsystemendedatSaturn.Untilinthe17thcentury,ItalianscientistGalileodevelopedthe escopeandonMarch13,1781,WilliamHerscheldiscoveredsomethingintheskythathadnotbeenrecordedbefore.JohannBode,writeroftheAstronomicalYearbookofBerlin,saiditshouldbenamedUranus,whowastheancientRomangodoftheskyandfatherofJupiter,asJupiteristhefatherofMars.Neptuneisthe8th netofoursolarsystem.Itistheblue-greencolorofthesea.Soitnamedaftertheancientgodofthesea.OnMarch13,1930,the75th ofthebirthofPercivalLowell,ClydeTombaughhadfoundthe9th net.Afterthediscussion,scientistschoseanameforthenewone:Pluto,whichwastheancientRomangodofthedead,theruleroftheunderworld.Itseemedtherightnameforsuchdistant,darkce.Also,the netcouldthenberepresentedbyitsfirsttwoletters,P-L.Andthese,ofcourse,werethesamefirstlettersofthenameofPercivalLowell.(inhisrealm君子動(dòng)口而不是動(dòng)手。(rather 答案HemadesomeimportantbreakthroughsinhisofGentlemenusetheirmouthsratherthantheirHewhofeelstherespectwhichisduetoothers