环境科学专业英语精选PPT.ppt

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1、环境科学专业英语第1页，此课件共16页哦Biotic:Of or having to do with life or living organisms.生物的：生命或生物的，与生命或生物有关的.Catchment:A catching or collecting of water,especially rainwater;A structure,such as a basin or reservoir,used for collecting or draining water.集水：集水，尤指雨水的汇集收集;贮水池：一种用于收集或疏导水的装置，如盆或贮水容器.New Words&Phrases

2、第2页，此课件共16页哦Assimilate:To consume and incorporate nutrients into the body after digestion;To transform(food)into living tissue by the process of anabolism;metabolize constructively.生物的：生命或生物的，与生命或生物有关的;吸收：消化后把营养消耗并吸收在体内Pollination:授粉artificial pollination 人工授粉cross pollination 异花授粉entomophilous poll

3、ination 虫媒传粉legitimate pollination 正规传粉open pollination 开放自由传粉第3页，此课件共16页哦Grace n.优美,雅致,优雅To honor or favor 使增光：使荣耀或施恩：You grace our table with your presence.你的到来使我们的台面增添了光彩Out of favor with.为人所厌恶in the good graces of 为人所喜爱cannot with any grace ask sb.难以向某人启齿an act of grace 恩典;(议会通过的)大赦令Every lover

4、sees a thousand graces in the beloved object.情人眼里出西施。by grace of 承蒙 fall from grace 堕落,犯罪;【宗】失却天恩get into sb.good graces 博得某人的欢心good graces 好意,友意;宠爱have the grace to(do)有.的雅量,爽爽快快地.;有勇气.in sb.s good graces 受某人照顾in sb.s bad graces 受某人白眼keep in sb.s good graces 讨好,求宠make onesgraces 行礼say grace 做饭前祷告wi

5、th a bad grace 勉强地,不情愿地with an ill grace 勉强地,不情愿地with a good grace 高兴地,欣然地with an easy grace 态度自若第4页，此课件共16页哦Translation1)The level and nature of concern for these life forms changes over time,reflecting our understanding of the nature and importance of this legacy,the values we ascribe to it,the th

6、reats it is under and what might be done to conserve it.第5页，此课件共16页哦2)The use of the term biodiversity grew out of a concern that efforts were needed to conserve,not just particularly charismatic animals,but the diversity of life around the world,including many plants and animals that will never gra

7、ce a letterhead or be the focus of an international campaign.第6页，此课件共16页哦3)In past decades,conservation efforts have been focused disproportionately on individual endangered species,particularly mammals,but this is costly and concerns have been raised about the adequacy of a species-by-species appro

8、ach.第7页，此课件共16页哦4)Indirect utilitarian values include the maintenance of“ecosystem services”or important ecological processes or weather,conserving the structure or fertility of soil,maintaining coastal function,assimilating or removing wastes from water or soil,maintaining evolutionary potential in

9、 ecosystems,sequestering carbon emissions,cycling of nutrients,pest control,and pollination of crops.第8页，此课件共16页哦5)The major threat to biodiversity stems from land use.About 1%-2%percent of the Earths surface is devoted to urban use,but modifications of surface area are more extensive.Land acquisiti

10、on for agriculture and forest products has intensified in many developing countries,which are experiencing rapid population growth.Introduction of species into new areas either by accident or intention,is a second major cause of threats to species.第9页，此课件共16页哦Writing1)What is the definition of biodi

11、versity?2)What are three levels of biodiversity?3)What is direct utilitarian value associated with bioversity?4)What are the major threats to biodiversity?第10页，此课件共16页哦常用实验仪器名称中英文对照表常用实验仪器名称中英文对照表第11页，此课件共16页哦第12页，此课件共16页哦第13页，此课件共16页哦第14页，此课件共16页哦第15页，此课件共16页哦Preparation for Unit 5Preparation for Unit 5 -Greenhouse Effect Basics -Greenhouse Effect BasicsSee you next week!第16页，此课件共16页哦