irreversible cell

例句：

1. 1. The damage to the bridge was irreversible.
   桥梁的损坏是不可逆的。
2. 2. The decision to leave was irrevocable.
   离开的决定是无可挽回的。
3. 3.The memory of that day is irreversible.
   那天的记忆是无法恢复的。