氧的反应性很高。
What can we say about chemical reactivity?
我们对化学反应了解些什么呢？
Reactivity depends upon the type of fuel.
反应取决于燃油的种类。
The Alkene Double Bond: a Focus of Reactivity.
烯烃的双键：重点是反应活性。
Reactivity is similar to that of oxygen at room temperature.
反应活性与室温下的氧相似。
He said that action was good proof of the reactivity of the coalition.
他说，他认为这是联军反应得力的证据。
He said that action was good proof of the reactivity of the coalition.
他说，他认为这是联军反应得力的证据。
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