If it is a strong additivesubstance I think it is unacceptable.
如果大量吸食，我觉得那是不被接受的。
2
With increasing content of the scattering additivesubstance, the size of PS particles dispersed in the PMMA matrix increased and the extent of distribution decreased.
随着添加物用量的增加，分散在PM MA基体中的PS的粒径增加，分布的密度减少。
3
"Food additive" means any synthetic compound or natural substance put into food to improve its quality, colour, fragrance or taste, or for the sake of preservation or processing.