chemical agent

名词 chemical agent:

1. an agent that produces chemical reactions

1. A substance containing chemical agents or abrasive particles and applied to smooth or shine a surface.
   上光剂; 擦亮剂含有化学媒质或粗糙微粒的一种物质，被用来打光或擦亮一个表面
2. A chemical agent that kills eggs, especially the eggs of insects.
   杀卵剂一种杀死卵的化学药剂，尤指杀死虫卵的杀虫剂