lecture高频词汇

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1、Lecture高频词汇地理类altitude海拔高度Antarctic南极的Arctic北极的arid干旱的basin盆地canal运河canyon峡谷cave洞channel海峡cliff悬崖collide碰撞continent大陆core地核crack裂缝crevice（墙壁或岩石的裂缝）crust地壳dam水坝debris碎片demolish破坏，粉碎deposit沉淀物desert沙漠diffuse传播，扩散disintegration分解distribute分布diversity多样性earthquake地震elevation抬升，

2、高地eliminate排除equator赤道erode/erosion侵蚀evaporation蒸发expedition探险extract开采，提炼edge边缘，边界formation形成gap缝隙geography地理gorge峡谷GrandCanyon大峡谷gulf海湾hemisphere半球island岛marine航海的melt融化mountainchain/range山脉navigation航海offshore远离岸的peninsula半岛plain平原precipice悬崖region区域，地方sediment沉淀物straits

3、海峡summit/top/crest/peak顶峰temperate温带的topography地形学tropical热带的tectonics构造学zone区域topographical地形的tectonicplate构造板块地质类activevolcano活火山aluminum铝crater火山口，陨石坑erupt/eruption爆发fault断层geologist地质学家geology地质glacial冰川的glacier冰川iceberg冰山layer地层limestone石灰岩lead铅mantle地幔mineral矿物，矿石magm

4、a岩浆nickle镍NorthPole北极runoff地表径流ore矿石pit深坑，陷阱plate板块platinum铂quartz石英relic遗迹remnant残余物remains残余物riverbed河床slope斜坡SouthPole南极speculate推测StoneAge石器时代sulfur硫磺thaw解冻tropicalrainforest热带雨林upperreach上游lowerreach下游volcanic火山的vegetation植被longitude经度zinc锌动物类adaptation适应alligator美洲鳄am

5、phibian两栖动物anatomy解剖学animaladaptation动物适应性aquatic水生的animalcognition动物认知能力animalcommunicate动物交往ancestry系谱，血统bacteria细菌balance生态平衡bat蝙蝠4Lecture高频词汇beaver水獭biologist生物学家breed品种，繁殖buffalo美洲野牛burrow洞穴carnivore食肉动物cold-blooded冷血circulatorysystem循环系统crocodile鳄鱼claw爪子digestion消化die

6、out灭绝dolphin海豚domestication驯养echolocation声波定位ecologist生态学家ecology生态ecosystem生态系统endangeredspecies濒危物种environment环境evolution进化extinction灭绝fertilize施肥foodchain食物链frog青蛙fauna动物群genetics遗传glue-like胶状habitat栖息地hatch孵化hair毛发herbivore食草动物herd兽群hibernation冬眠hormone荷尔蒙ingestion摄食ins

7、ect昆虫jellyfish水母lizard蜥蜴mammal哺乳动物marinebiology海洋生物学mate交配，同伴microbe微生物migrate迁移migratory迁移的molecule分子mollusk软体动物moth蛾子multiply繁殖mutation变种naturalselection自然选择nest筑巢nerve神经offspring后代organ器官digestiveenzyme消化酶digestivesystem消化系统invertebrate无脊椎动物parasite寄生动物prairiedog草原土拨鼠pre

8、dator食肉动物，捕食者prey被捕食的动物reproduce繁殖respiration呼吸rodent啮齿类动物secretion分泌物skeleton骨骼sp