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The cool exterior.The fire below.
外表冷淡，内心热情似火。
youdao
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It is necessary to cool combustible materials below their ignition temperatures to stop the fire.
必须通过把可燃材料冷却到它们的点燃温度以下来灭火。
youdao
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It is necessary to cool combustible materials below their ignition temperatures to stop the fire.
必须通过把可燃材料冷却到它们的点燃温度以下来灭火。
youdao