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天文学 astronomy, illusive object, cosmos宇宙, brown dwarf, gaseous bodies, planet, massive, ignite, star, heaven, celestial天体的, faint微弱的, universe, comet, meteor, astronomer, observatory天文台, telescope, image, astronomical object, remote, feeble微弱的, solar system, origin, gravitational force, molten, mars, space 地质学 earthquake, seismic activity, tidal force, erie canal, inland waterway, great canyon, coast, volcanic ash, eruption, filed trip, rock formation, death valley, desert, layer, fold, waterfall, rapid, natural wonder, nile river, crust, colorado river, swale erosion, geologist, rocky mantle of the continent, mid-ocean ridge, landlocked area内陆, atmosphere, active volcano活火山, ice sheet, glacier, melt global warming, plain, fossil化石, bored hole, fault断层, make up the earth interior, vibration, p waves, s waves, crust, core, molten lava岩浆 建筑学 construct, architect, architecture, design, elevator, construction, skyscraper, design element, log structure, cabin, beam, wall, style, prototype, building technique, new material, ten stories high, metal-frame, construction, glass box, a glass-shelf framed in a metal grid 能源和环境 fossil fuel, coal, oil, gas, process of photo synthesis光合作用, solar energy, nonrenewable, energy conservation, resource, alternative, energy source, tidal energy, coalification, traffic jam, fuel-efficient节能型的, rush hour, pollute, zero emission, environment, wildness, preservation, atmosphere, climate, carbon, dioxide, burning of coal and oil, global warming, green house effect温室效应, rise in sea level, ice-cap, melt, long-term climatic change, clean up, offshore spillage, environmental awareness club, recycling center再循环利用中心, litter, trash bag, garbage, air pollution, pollutant, desertification沙漠化, deforest, flood, drought, water shortage 生物学 dinosaur 恐龙 , die out , extinction 灭绝 , paleontologist 古生物学家 , mammal 哺乳动物 , barnacle, underwater, marine 海洋的 , biology, scuba 水下呼吸器 , diving, one-celled organism, jellyfish, tissue, protective camouflage, predator 捕猎者 , biology, oceanic snail 蜗牛 , zoology, animal adaptation, wild environment, snake, owl, insecticide, coral, , blood cell, prenatal care 产后护理 , habitat 栖息地 , flat and angular shape, squid, tentacle, biologist, creature, electric fish, prey 捕食 , navigate, tiny receptor, transmission impulse, nerve, specimen 物种 amphibian 两栖类动物 decline in the number, wild life, genetic 基因的 endangered species 濒危物种 panda, crane, survival, transition, microbe, yeast, bacteria 细菌 single-cell, structure, cold-blooded, warm-blooded, adjust, reptile 爬行类动物 turtle, lay eggs, hatch 孵化 incubation, hibernate nest, robin, wasp, offspring 子孙 stinger, chew up, rodent burro evolution, sea life, octopus 章鱼 shell, spider, unfertilized eggs, nutrient, nourishment feed, survive, cannibalism 同类相食 gene
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