1. She could suffer irreversible brain damage if she is not treated within seven days. 如果在7天内得不到治疗，她的大脑有可能会受到不可恢复的损害。
2. She had been in what doctors described as an irreversible vegetative state for five years. 她陷入医生们所说的一种不可逆转的植物人状态已达5年之久。
3. Cambridge scientist Peter Wadhams, who's been measuring and monitoring the Arctic since 1971, says the decline is irreversible. 剑桥科学家彼得·沃德姆斯自1971年以来一直在测量和监测北极，他说这种减少是不可逆转的。
4. Different from the circular time and the irreversible time, the spectacular time is a kind of toy bricks producing pseudo-events. 不同于循环时间与不可逆时间，壮观时间是一种制造伪事件的积木。
5. Since then, so many other examples have been discovered that it no longer makes sense to say that evolution is as good as irreversible. 从那以后，人们又发现了许多其他的例子；因此，“进化几乎是不可逆的”这一说法就不再有意义了。
