irreversibility
n. 不可逆转；不可挽回
近义词：reversibility，
英英释义
Noun
- the quality of being irreversible (once done it cannot be changed)
例句
用作名词(n.)
- Because of its unnerving irreversibility, entropy has been called the arrow of time.由于其令人心衰力竭的不可逆转性，熵一直被人们称做时间之矢。