为有高中科学学习背景的学生介绍实验室科学,与环境和人体化学的重要科学原则相关。
It is an introductory lab course for students with a high school science background, and relates important scientific principles to the chemistry of the environment and the body.
BBC 新闻指出,人体会受到能产生“幸福感”的天然化学物质的影响。
The human body is influenced by natural chemicals that produce "a sense of happiness", noted BBC News.
为了使一种化学物质被认为是一种药物,它必须具有影响人体运作的能力。
In order for a chemical to be considered a drug, it must have the capacity to affect how the body works.
Enzymes work best, enzymes are proteins that catalyze chemical reactions and our bodies operate by elaborate networks of chemical reactions, When we're off from that temperature then they don't work properly.
举酶这个例子再好不过,酶是一种具有催化作用的蛋白质,人体依靠精密复杂的化学反应网络来运转,如果我们体温与之相差较大,这些酶就不能正常工作
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