文章列表
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1.精美英文欣赏:博物馆
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Museums From Boston to Los Angeles, from New York City to Chicago to Dallas, museums are either planning, building, or wrapping up wholesale expansion...
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2.精美英文欣赏:镍钛合金
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Nitinol Nitinol is one of the most extraordinary metals to be discovered this century: A simple alloy of nickel and titanium, nitinol has some perplex...
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3.精美英文欣赏:油和水
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Oil and Water To understand the emulsifying process, we must first accept the scientific principle that oil and water do not naturally mix. Quite lite...
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4.精美英文欣赏:从冰山中获取淡水
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Obtaining Fresh Water from Icebergs The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world...
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5.精美英文欣赏:炼油
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Oil Refining An important new industry, oil refining, grew after the Civil War. Crude oil, or petroleum -- a dark, thick ooze from the earth -- had be...
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6.精美英文欣赏:钢琴
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Piano The ancestry of the piano can be traced to the early keyboard instruments of the fifteenth and sixteenth centuries -- the spinet, the dulcimer, ...
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7.精美英文欣赏:浮游生物
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Plankton Scattered through the seas of the world are billions of tons of small plants and animals called plankton. Most of these plants and animals ar...
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8.精美英文欣赏:沙漠中的植物
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Plants in the Deserts Some cacti, like the saguaro, grow to tree size, but true trees need more moisture than most desert environments can supply, so ...
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9.精美英文欣赏:板块结构与海床扩展
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Plate Tectonics and Sea-floor Spreading The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of...
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10.精美英文欣赏:警察与社区
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Police and Communities Few institutions are more important to an urban community than its police, yet there are few subjects historians know so little...