生物呼吸包含一系列生物化学反应过程。
The biologic respiration includes a series of biochemical reactions.
但是科学家很快指出，在这次观察中没有找到生物化学反应。
But scientists are quick to point out that non-biological chemical reactions could also be behind the observations.
换句话说，我们所有的情感——爱恋、忧伤、快乐——全都是生物化学反应。
In other words, all our emotions - love, grief, happiness - are all biochem - ical.
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