nondegradable / ˌnɒn dɪˈgreɪ də bəl /

🎓大学词汇不可降解的不可降解不能降解的无法降解的

nondegradable 的 2 个定义

adj. 形容词 adjective
  1. not subject to or capable of degradation or decomposition: nondegradable waste.
n. 名词 noun
  1. something that is not degradable, as a chemical compound.