| 文章轉(zhuǎn)載自 21英語(yǔ)微商城 21世紀(jì)英文報(bào) You’re a little dim 你的身體會(huì)發(fā)光！
Your body gives off a tiny amount of visible (可見的) light. It’s too weak for the eyes to see. In fact, all living things emit (發(fā)出) very weak light. It’s thought to be a byproduct of biochemical reactions (生化反應(yīng)). This visible light is different from the infrared radiation (紅外線) – a kind of invisible (不可見的) light – that comes from body heat. 人體會(huì)發(fā)出微弱的可見光，但太微弱我們?nèi)庋酆茈y看到。事實(shí)上，所有生物都會(huì)發(fā)出或多或少的微弱光芒——這種光和生化反應(yīng)有關(guān)，與人體釋放的紅外線可不是一回事！
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