reactant
US /riˈæk.tənt/
UK /riˈæk.tənt/
1.
反应物
a substance that takes part in and undergoes change during a reaction
:
•
In a chemical reaction, the reactants are converted into products.
在化学反应中，反应物转化为产物。
•
The concentration of the reactant affects the reaction rate.
反应物的浓度影响反应速率。