produce heat的用法和樣例：
例句
- Why heat can be produced by friction is clear now.
為什么摩擦能產(chǎn)生熱現在清楚了。 - At the same time, deep underground, the decay of radioactive elements produced heat at rates more than six times greater than they do today.
同時(shí)，地底深處的放射性元素衰變，產(chǎn)生熱的速率是今日的六倍以上。
