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。

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。

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。

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。

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。

They reasoned that while some evolutionary changes involve the loss of genes and are therefore irreversible, others may be the result of genes being switched off.

他们推断，虽然一些进化上的变化涉及基因的丢失，因此是不可逆转的，但其他的变化可能是基因被关闭的结果。

In 1890 he proposed that evolution was irreversible: that 'an organism is unable to return, even partially, to a previous stage already realised in the ranks of its ancestors'.

1890年，他提出进化是不可逆转的：“一个有机体无法回到其祖先先前到达的阶段，即使是部分逆转，也不可能。”

Action to restore appropriate price incentives, notably through corrective carbon pricing, is urgently needed to lower the risk of irreversible and potentially devastating effects of climate change.

我们迫切需要采取行动以恢复适当的价格激励政策，特别是通过纠正碳定价，以降低气候变化产生不可逆转和潜在破坏性影响的风险。

The process of political change in South Africa has reached the stage where it is irreversible.

南非的政治变革进程已经到了不可逆转的阶段。

It's an irreversible situation.

这是一个不可逆转的形势。

Are such schemes irreversible?

这些方案不可逆吗？

There are irreversible processes.

这是一个不可逆的过程。

So this is an irreversible process.

所以这是一个不可逆过程，焦耳-汤姆逊。

Some of the losses are irreversible.

而且有的损失是不可逆转的。

Many are irreversible.

很多变化是不可逆转的。

The military tide looks irreversible too.

军事潮流也看似不可逆转。

And in some places irreversible progress.

而且在一些地方还有不可逆转的进展。

Change is irreversible.

现在的变化则不可逆转。

The disease is irreversible and progressive.

这种疾病是不可逆转的、递进的。

The Joule-Thomson experiment is irreversible.

实验是一个不可逆过程。

For many people, loss of hearing is irreversible.

对许多人来讲，听力的丧失是一件无法挽回的事。

PROFESSOR: a boundary between reversible and irreversible?

教授：可逆与，不可逆间的边界？

Evolution is irreversible - at least at a molecular level.

进化是不可逆转的——至少在分子水平上是如此。

The process leads to irreversible intellectual impairment.

这一过程导致不可恢复的智力损伤。

Like something is almost reversible and almost irreversible.

就像什么东西是几乎可逆的，或几乎不可逆的。

No, pretty much things are either reversible or irreversible.

不，几乎所有的都是要么可逆，要么不可逆。

But China's rapid economic thrust may now be irreversible.

但是中国经济快速增长现在可能势不可挡。

STUDENT: Is there a boundary between reversible and irreversible?

学生：可逆与不可逆间,有没有边界？