inactive substance

• 惰性物质

inactive substance的用法和样例：

例句

1. The fertiliser had been secretly switched with an inert substance, and an MI5 agent posed as a receptionist at the storage centre where it was kept.
   化肥被秘密调换成一种惰性物质，而一名安全局特工乔装成为放置肥料的贮藏中心的接待员。