chemical mediator

• 化学介质

chemical mediator的用法和样例：

例句

1. Plastic housings are highly resistant to moisture, UV radiation, bacterial and fungal attacks, as well as many chemical media.
   塑料外壳有很高的耐潮湿，紫外线辐射，细菌和真菌的攻击，以及许多化学介质。