第一单元外在因素overtfactor种族界限标识ethnicboundarymarker文化特征culturaltrait主要标识primaryindicator或多或少moreorless像前面所提到的aswementionedearlier体貌特征physicalcharacteristic长期相互交往inlongassociationwithoneanother个人饰品personaladornment在不远的过去inthenot-too-distantpast(2)distinct明显transcend胜过；超出overt公开的complex复杂的ethnic民族的conversely相反地；反过来sufficient足够的demonstrate演示correspond与…一致grant授予(3)homogenizationassimilating同化；吸收phenotypephysicalcharacteristic表型的物理特性converselyhowever相反的huipilloose-fittingblouseladinasnon-nativeAmericanwomen(4)distinguish区分；辨别appearance外观；外表share共享；分享former前；以前的Conversely相反地；反过来encompass包含；包围ethnic民族的cases案件；病例difference不同的impossible不可能存在（或做到）的relocation迁移globalization全球化identity身份；同一性costume服装；衣服remote偏远的；偏僻的(5)由于这些标识是用来区分本族成员与所有其他种类成员的，所有仅靠一种标识往往是不够的Becausetheyservetodistingushmenbersfromallothergroups,asingleboundarymarkerseldomissufficient.但在很多情况下，宗教信仰与种族或多或少有一些关联。既有犹太教，同时也有犹太族。Butinmanycases,religionandethnicgroupmoreorlesscorrespond.TheJewsmaybecategorizedaseitherareligiousoranethnicgroups.美国土著妇女经常穿一种叫“huipil”的宽大套头衬式的连衣裙，这是区分种族的一种标识。ANativeAmericanwomanoftenwearsahuipil,aloose-fittingblousethatslipsoverthehead,whichisasymboltodistinguishethnicity.第四单元(2)severe极为恶劣的constitude构成；组成infect传染；影响detected发现loss损失；丢失raw痛处；生的食物absence缺席；缺乏outcome结果；效果thorough彻底的；完全的decay衰减；腐朽(3)diedof抑郁的suffersfrom因……而受罚；罹患；染上focus...on聚焦于；集中于Onoccasion有时；遇必要时asaresult产生；因此(4)Ifyouexperiencedigestivetractdisturbancesasthemajororonlysymptomsofyournextboutof“flu”,chancesareexcellentthatwhatyoureallyhaveisfoodpoisoning.如果你下次(感冒)的主要症状或唯一症状是消化道混乱，那么你很可能是食物中毒了。Themicrobegrowsonlyintheabsenceofoxygen,inlow-acidconditions,andattemperaturesthatsupportthatgrowthofmostbacteria-40°to120°Fahrenheit.这种细菌只能在缺氧、弱酸、和华氏40度至120度的条件下生长，这种温度适宜大多数细菌的生长。Somepeoplehavecometoacceptayearlyboutortwoofintestinalillnessasinevitable,butintruth,theseillnessescanandshouldbeprevented.一些人认为，每年患一两次肠道疾病在所难免，但是，事实上，这些疾病是能那个够也应该预防的。Manyjarshavesafety“buttons”,aresoftheliddesignedtopopuponceopened:makesurethattheyarefirmlysealed.许多瓶装罐头的瓶盖都设计了安全“按钮”，瓶盖已经开启就立刻膨起。消费者购买时，应确认该处密封完好。第六单元beworthyofpublicconsideration值得公众关注acentralfeatureoftheculturewar文化战争的重要特点beunfairlybiasedagainsttraditionalvalues对传统价值观抱有偏见portrayintheworstpossiblelight从最坏的角度描述beaccountableforthecontentofprograms对节目的内容负责springupacrossthenation在全国涌现bedrivenbymarketforces受市场力量驱使relyonthevalueoffreedomofexpression依赖言论自由的价值takeresponsibilitytocorrecttheproblems负责纠正这些问题parentalsupervision父母的监督beconcernedabouttheimpactoftelevisiononchildren关心电视对儿童的影响beattunedtothemarketplace适应市场(2)Define（确定）alien外星人possess拥有concerning关于censored审查identity特性sponsored赞助商enormous巨大accountable负责任distributed分布(3）1Biased有偏见的2broadcas...