英语听力：新概念英语第四册单词MP3 Lesson 08

accord 协议 device 仪器，器械 dialysis 分离，分解，透析 electrocute 使触电身亡 eliminate 消灭 fit 适合 grace 给 增光 hammer out 推敲 pact 合同，条约，公约 slaughter 屠宰 tariff 关税

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Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析，夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns