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【英语时差8,16】不粘锅的奥妙(中)

时间:2015-11-30 06:54来源:互联网 提供网友:yajing   字体: [ ]
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it's the fluorine atoms that give teflon its slipperiness, fluorine atoms are physically1 bigger than hydrogen atoms, it's large size makes them h* around teh central carbon chains in a much tighter formation, its tight formation works like a kind of chemial armor, protecting the carbon atoms which inturn hold molecule2 together, it's chemical team work between carbon and fluorine makes teflon extremely chemically stable, and its chemical stability that makes teflon thus slippery, foreign substance like frying egg can find no chemical foothold on the fluorine armor, so they simply slide away.


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1 physically iNix5     
adj.物质上,体格上,身体上,按自然规律
参考例句:
  • He was out of sorts physically,as well as disordered mentally.他浑身不舒服,心绪也很乱。
  • Every time I think about it I feel physically sick.一想起那件事我就感到极恶心。
2 molecule Y6Tzn     
n.分子,克分子
参考例句:
  • A molecule of water is made up of two atoms of hygrogen and one atom of oxygen.一个水分子是由P妈̬f婘̬ 妈̬成的。
  • This gives us the structural formula of the molecule.这种方式给出了分子的结构式。
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