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跟可可背精美短文 第100篇:Animal And Machine动物与机器

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Animal And Machine

The body of an animal may well be compared with(1) some machine like a locomotive engine. Indeed, the animal body is a machine. It is a machine composed of(2) many parts, each part doing some particular kind of work for which a particular kind of structure fits it(3); and all the parts are dependent on each other and work together for the accomplishment of the total business of the machine. The locomotive must be provided with fuel, such as coal or wood or other combustible substance, the consumption of which furnishes the force or energy of the machine. The animal body must be provided with fuel, which is called food, which furnished similarly the energy of the animal. Oxygen must be provided for the combustion of the fuel in the locomotive and of the food(4) in the body. The locomotive is composed of special parts: the fire box for the reception and combustion of fuel; the steam pipes for the carriage of steam; the wheels for locomotion; the smokestack for throwing off waste. The ani- mal body is similarly composed of parts: the alimentary canal for the reception and assimilation of food; the excretory organs for the throwing off of waste matter; the arteries and veins for the carriage oxygen and food-holding blood; the legs or wings for locomotion.

重点单词   查看全部解释    
combustion [kəm'bʌstʃən]

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n. 燃烧

 
locomotive [.ləukə'məutiv]

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n. 火车头,机关车
adj. 运转的,火车头

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particular [pə'tikjulə]

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adj. 特殊的,特别的,特定的,挑剔的
n.

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dependent [di'pendənt]

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adj. 依靠的,依赖的,从属的
n.

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combustible [kəm'bʌstəbl]

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adj. 易燃的,燃烧性的,易激动的 n. 燃质物,可燃

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canal [kə'næl]

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n. 运河,沟渠,气管,食管
vt. 建运河,

 
substance ['sʌbstəns]

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n. 物质,实质,内容,重要性,财产

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accomplishment [ə'kɔmpliʃmənt]

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n. 成就,完成

 
composed [kəm'pəuzd]

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adj. 镇静的,沉着的

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