irreversible
/ˌɪrɪˈvərsəbəl/
incapable of being reversed
Chinese meaning: 不可逆转的；不可挽回的
Climate change may cause irreversible damage to ecosystems.
气候变化可能对生态系统造成不可逆转的损害。
The decision to drop out of school can have irreversible consequences.
辍学的决定可能带来不可挽回的后果。