All the chemical and quantum reactions that make a flame glow can only happen where it meets the air, so even though they look like solid cones, candle flames are actually hollow.
使火焰发光的反应都只能在接触到空气的地方进行,所以尽管蜡烛的火焰看起来像个实心的锥体,但它们其实是中空的。
单词 | solid cone |
释义 |
solid cone
原声例句
PBS趣味科普 All the chemical and quantum reactions that make a flame glow can only happen where it meets the air, so even though they look like solid cones, candle flames are actually hollow. 使火焰发光的反应都只能在接触到空气的地方进行,所以尽管蜡烛的火焰看起来像个实心的锥体,但它们其实是中空的。 |
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