不可替代 non-substitutable
irreplaceable
- 图书馆的核心价值则是指图书馆拥有的不可替代的、最基本最持久的信念。
The core value of the library refers to the belief of the library that is basic, durable and irreplaceable. - 综合录井作为钻井现场实时监测的重要手段,在钻井工程安全保障方面具有不可替代的作用。
As an important means for real time monitoring on drilling site,the comprehensive mud logging has the irreplaceable function in ensuring drilling engineering safety. - 地球是水资源不可替代的珍贵源泉。环境是我们每一个生活在这个星球上的人都必须保护的东西。
The planet Earth is a valuable and irreplaceable source of water and the environment is something everyone living on this planet must protect.