1. The after effect occurs only if the additive is present during irradiation. 在辐照过程中只有当添加剂存在时才出现后效应。
2. As a kind of food additive, meat flavour has a close relationship to food safety. 肉味香精作为一种食品添加剂，与食品的安全性有着直接的关系。
3. Additive polynomial algorithm C++ Source is the algorithm C++ Achieve in a case in point. 多项式加法的算法C++源程序，是算法的C++实现中的一个实例。
英英解释
n.
1. something added to enhance food or gasoline or paint or medicine
2. characterized or produced by addition
3. designating or involving an equation whose terms are of the first degree
