• But before this time, G.I.was an unofficial military term for describing army supplies made out of galvanized iron.

    VOA: special.2009.09.25

  • So I need to find out the heats of formation of the iron oxide and the water.

    所以我需要找出氧化铁和,水的生成热,如果我这么做了。

    麻省理工公开课 - 热力学与动力学课程节选

  • Seems very simple, but took Beethoven a long time to iron all this out and make this perfect melody, the prototypical melody in a way.

    似乎很简单,但是花了贝多芬很长时间来琢磨,最后做出这段完美的旋律,这段典范旋律

    耶鲁公开课 - 聆听音乐课程节选

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