As school chemistry lessons show , metallic magnesium is highly reactive and stores a lot of energy .

正如学校化学课中展示的那样，金属镁化学性质非常活泼，储存着大量能量。

This reactive aggression is a maladaptive response that may cause behavioral difficulties in social , academic , and home settings .

这种反应性的攻击性行为是一种适应不良反应，可能会导致社会、学校和家庭环境中的行为困难。

So antioxidants , which mop up the reactive oxygen compounds , may seem like a logical solution .

所以，服用具有清除活性氧化合物作用的抗氧化剂，似乎是一个解决办法。

Reactive nitrogen emissions from agriculture are the most intractable as they come from many diffuse sources .

来自农业的活性氮的排放是最棘手的，因为它们的来源很分散。

Missing is a reactive course by heart .

思念是一种心灵反应的过程。