资源描述：
《环境科学专业英语4资料讲解.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、环境科学专业英语4Gracen.优美,雅致,优雅Tohonororfavor使…增光：使…荣耀或施恩：Yougraceourtablewithyourpresence.你的到来使我们的台面增添了光彩Outoffavorwith.为人所厌恶inthegoodgracesof为人所喜爱cannotwithanygraceasksb.难以向某人启齿anactofgrace恩典;(议会通过的)大赦令Everyloverseesathousandgracesinthebelovedobject.情人眼里出西施。bygra
2、ceof承蒙fallfromgrace堕落,犯罪;【宗】失却天恩getintosb.goodgraces博得某人的欢心goodgraces好意,友意;宠爱havethegraceto(do)有...的雅量,爽爽快快地...;有勇气...insb.'sgoodgraces受某人照顾insb.'sbadgraces受某人白眼keepinsb.'sgoodgraces讨好,求宠makeone'sgraces行礼saygrace做饭前祷告withabadgrace勉强地,不情愿地withanillgrace勉强地,不情
3、愿地withagoodgrace高兴地,欣然地withaneasygrace态度自若Translation1)Thelevelandnatureofconcernfortheselifeformschangesovertime,reflectingourunderstandingofthenatureandimportanceofthislegacy,thevaluesweascribetoit,thethreatsitisunderandwhatmightbedonetoconserveit.2)Theuse
4、ofthetermbiodiversitygrewoutofaconcernthateffortswereneededtoconserve,notjustparticularlycharismaticanimals,butthediversityoflifearoundtheworld,includingmanyplantsandanimalsthatwillnevergracealetterheadorbethefocusofaninternationalcampaign.3)Inpastdecades,co
5、nservationeffortshavebeenfocuseddisproportionatelyonindividualendangeredspecies,particularlymammals,butthisiscostlyandconcernshavebeenraisedabouttheadequacyofaspecies-by-speciesapproach.4)Indirectutilitarianvaluesincludethemaintenanceof“ecosystemservices”ori
6、mportantecologicalprocessesorweather,conservingthestructureorfertilityofsoil,maintainingcoastalfunction,assimilatingorremovingwastesfromwaterorsoil,maintainingevolutionarypotentialinecosystems,sequesteringcarbonemissions,cyclingofnutrients,pestcontrol,andpol
7、linationofcrops.5)Themajorthreattobiodiversitystemsfromlanduse.About1%-2%percentoftheEarth’ssurfaceisdevotedtourbanuse,butmodificationsofsurfaceareaaremoreextensive.Landacquisitionforagricultureandforestproductshasintensifiedinmanydevelopingcountries,whichar
8、eexperiencingrapidpopulationgrowth.Introductionofspeciesintonewareaseitherbyaccidentorintention,isasecondmajorcauseofthreatstospecies.Writing1)Whatisthedefinitionofbiodiversity?2)Whatarethreelev
