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suffrage
/ˈsʌfrɪdʒ/|选举权|Women fought for suffrage.(女性曾为选举权而奋斗。)
democracy
/dɪˈmɑːkrəsi/|民主制度|Citizens vote in a democracy.(在民主制度中公民投票。)
constitution
/ˌkɑːnstɪˈtuːʃən/|宪法|The Constitution protects basic rights.(宪法保护基本权利。)
control
/kənˈtroʊl/|控制;对照|The control group received no treatment.(对照组没有接受治疗。)
amendment
/əˈmendmənt/|修正案|An amendment can change a law.(修正案可以修改法律。)
legislation
/ˌledʒɪsˈleɪʃən/|立法;法律|The government passed new legislation.(政府通过了新法律。)
procedure
/prəˈsiːdʒər/|步骤;程序|Follow the procedure in order.(按顺序遵循步骤。)
judicial
/dʒuˈdɪʃəl/|司法的|The judicial branch interprets laws.(司法部门解释法律。)
executive
/ɪɡˈzekjətɪv/|行政的|The executive branch enforces laws.(行政部门执行法律。)
federal
/ˈfedərəl/|联邦的|Federal laws apply across the country.(联邦法律适用于全国。)
authority
/əˈθɔːrəti/|权力;当局|The agency has legal authority.(该机构拥有法定权力。)
ballot
/ˈbælət/|选票|Each voter received a ballot.(每位选民收到一张选票。)
reform
/rɪˈfɔːrm/|改革|The new reform improved education.(新改革改善了教育。)
debate
/dɪˈbeɪt/|辩论|The candidates joined a debate.(候选人参加了一场辩论。)
relationship
/rɪˈleɪʃənʃɪp/|关系|Study the relationship between two factors.(研究两个因素之间的关系。)
correlation
/ˌkɔːrəˈleɪʃən/|相关性|Correlation does not prove cause.(相关性不能证明因果关系。)
campaign
/kæmˈpeɪn/|竞选活动|The campaign lasted three months.(竞选活动持续了三个月。)
candidate
/ˈkændɪdət/|候选人|The candidate gave a speech.(候选人发表了演讲。)
process
/ˈprɑːses/|过程|Learning is a gradual process.(学习是一个渐进的过程。)
function
/ˈfʌŋkʃən/|功能;作用|What is the function of the heart?(心脏的功能是什么?)
taxation
/tækˈseɪʃən/|征税|Taxation funds public services.(税收为公共服务提供资金。)
organism
/ˈɔːrɡənɪzəm/|生物体|Every organism needs energy.(每种生物都需要能量。)
cell
/sel/|细胞|A cell is a basic unit of life.(细胞是生命的基本单位。)
tissue
/ˈtɪʃuː/|组织|Muscle tissue helps us move.(肌肉组织帮助我们运动。)
organ
/ˈɔːrɡən/|器官|The heart is an important organ.(心脏是重要的器官。)
species
/ˈspiːʃiːz/|物种|Many species live in the forest.(许多物种生活在森林里。)
adaptation
/ˌædæpˈteɪʃən/|适应;适应性特征|Thick fur is an adaptation to cold.(厚毛皮是对寒冷的适应。)
evolution
/ˌevəˈluːʃən/|进化|Evolution occurs over many generations.(进化发生在许多代之间。)
inherit
/ɪnˈherɪt/|遗传;继承|Children inherit genes from parents.(孩子从父母那里遗传基因。)
genetic
/dʒəˈnetɪk/|遗传的;基因的|Eye color is a genetic trait.(眼睛颜色是一种遗传特征。)
trait
/treɪt/|特征;性状|Height is one physical trait.(身高是一种身体特征。)
reproduce
/ˌriːprəˈduːs/|繁殖|Most plants reproduce using seeds.(大多数植物通过种子繁殖。)
nutrient
/ˈnuːtriənt/|营养物质|Plants need nutrients to grow.(植物生长需要营养物质。)
photosynthesis
/ˌfoʊtoʊˈsɪnθəsɪs/|光合作用|Plants make sugar through photosynthesis.(植物通过光合作用制造糖分。)
respiration
/ˌrespəˈreɪʃən/|呼吸作用|Cells release energy through respiration.(细胞通过呼吸作用释放能量。)
ecosystem
/ˈiːkoʊsɪstəm/|生态系统|A pond is a small ecosystem.(池塘是一个小型生态系统。)
habitat
/ˈhæbɪtæt/|栖息地|The forest is the bear's habitat.(森林是熊的栖息地。)
predator
/ˈpredətər/|捕食者|A lion is a predator.(狮子是捕食者。)
prey
/preɪ/|猎物|Rabbits can be prey for foxes.(兔子可能成为狐狸的猎物。)
competition
/ˌkɑːmpəˈtɪʃən/|竞争|Plants face competition for sunlight.(植物会竞争阳光。)
conservation
/ˌkɑːnsərˈveɪʃən/|保护;节约|Water conservation is important.(节约用水很重要。)
pollution
/pəˈluːʃən/|污染|Air pollution affects our health.(空气污染影响我们的健康。)
renewable
/rɪˈnuːəbl/|可再生的|Solar power is renewable energy.(太阳能是可再生能源。)
nonrenewable
/ˌnɑːnrɪˈnuːəbl/|不可再生的|Coal is a nonrenewable resource.(煤是不可再生资源。)
climate
/ˈklaɪmət/|气候|Climate affects where plants grow.(气候影响植物的生长地点。)
weather
/ˈweðər/|天气|Weather can change each day.(天气每天都可能变化。)
precipitation
/prɪˌsɪpɪˈteɪʃən/|降水|Rain and snow are precipitation.(雨和雪都属于降水。)
erosion
/ɪˈroʊʒən/|侵蚀|Water causes erosion of soil.(水会造成土壤侵蚀。)
deposition
/ˌdepəˈzɪʃən/|沉积|Deposition builds up layers of sand.(沉积作用形成一层层沙子。)
sediment
/ˈsedɪmənt/|沉积物|The river carries sediment downstream.(河流把沉积物带往下游。)