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(单词翻译)
Chlorofluorocarbons are also not very abundant—they constitute only about one part per billion of the atmosphere as a whole—but they are extravagantly1 destructive. One pound of CFCs can capture and annihilate2 seventy thousand pounds of atmospheric3 ozone4. CFCs also hang around for a long time—about a century on average—wreaking havoc5 all the while. They are also great heat sponges. A single CFC molecule6 is about ten thousand times more efficient at exacerbating7 greenhouse effects than a molecule of carbon dioxide—and carbon dioxide is of course no slouch itself as a greenhouse gas. In short, chlorofluorocarbons may ultimately prove to be just about the worst invention of the twentieth century.
1 extravagantly | |
adv.挥霍无度地 | |
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2 annihilate | |
v.使无效;毁灭;取消 | |
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3 atmospheric | |
adj.大气的,空气的;大气层的;大气所引起的 | |
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4 ozone | |
n.臭氧,新鲜空气 | |
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5 havoc | |
n.大破坏,浩劫,大混乱,大杂乱 | |
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6 molecule | |
n.分子,克分子 | |
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7 exacerbating | |
v.使恶化,使加重( exacerbate的现在分词 ) | |
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8 memorably | |
难忘的 | |
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9 entangled | |
adj.卷入的;陷入的;被缠住的;缠在一起的v.使某人(某物/自己)缠绕,纠缠于(某物中),使某人(自己)陷入(困难或复杂的环境中)( entangle的过去式和过去分词 ) | |
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10 remains | |
n.剩余物,残留物;遗体,遗迹 | |
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