Nylon, for example, is a manmade fibre with molecules made out of carbon chains in which atoms of nitrogen, hydrogen, and oxygen fit in a particular arrangement.

  • 例如,尼龙就是一种人造纤维,这种纤维由碳链组成的分子构成,而在碳链中,氮、氢和氧原子处于特殊排列状态。
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