所有的文章都是由單詞組成的，我們不可能認識所有的詞語但是我們也可根據語境來分析出所講的內容，在這里我根據文章的內容總結出幾類常見的words

　　動物類：crow, parrot, boody, otter, sea cow, whale, dinosaur, koala, insect, orangutan, turtle

　　植物類：newzealand seaweed, pine, seed selection, seed hunting, bamboo, banana

　　空間類：celetrial body, mars and water, transit of venus, comet and jupiter

　　海洋類：thermal vent, flip ship and hinge ship, underwater archaeology, tide power,Elnino

　　企業(yè)類：corporation innovation, power and space, star staff, novice and expert

　　科技類：glass making, film making, E-learning, fingerprinter identification, timekeeper

　　教育類：interpretation, academic coruption, lost of language, IQ test, development of language

　　其他類：perfume, dream, pearl, team work, VR technology, self-esteem, TV addiction, American obesity

　　　　　　tickle and laugh, tea, rubber