That joke's been done to death.

这个笑话都听腻了。

I find it ludicrous that nothing has been done to protect passengers from fire.

我认为没有采取任何措施来保护乘客免受火患是荒唐的。

It has been done by a scientific experiment.

这是科学实验的的结果。

The experiments had been done on briefly soaked rocks.

这些实验是在简单浸泡的岩石上做的。

With sufficient will in Downing Street, this would have been done already.

如果唐宁街有足够的意愿，这应该已经办成了。

Before 1815 manufacturing in the United States had been done in homes or shops by skilled artisans.

1815年以前，美国的产品制造是由熟练的工匠们在家里或商店里完成的。

You might think that this never happens any more, given all the research in archaeology that's been done.

基于考古学界做过的所有研究，你可能认为这种情况不会再发生了。

Some of this work's been done at Yale in Karen Wynn's lab, where they look at babies' understanding of addition and subtraction.

其中一些研究是在耶鲁大学的凯伦·韦恩实验室完成的，他们在那里观察婴儿对加法和减法的理解。

The work had not been done very thoroughly.

这工作做得不太认真。

Something ought to have been done before now.

先前就该采取措施了。

This isn't a genuine antique—you've been done.

这不是真正的古董—你上当了。

Extensive research has been done into this disease.

对这种疾病已进行了广泛研究。

He got home to find that his flat had been done over.

他到家后发现公寓里被盗了。

A great deal has been done internally to remedy the situation.

内部已经采取了很多措施来挽救局面。

She knew it would be difficult to undo the damage that had been done.

她知道难以挽回已造成的损失。

However, this has not been done in recent years.

然而，近年来并没有这样做。

Just because it's something that's been done for years, that doesn't mean it is the right thing to do.

仅仅因为它是多年来一直在做的事情，并不意味着它就是正确的。

How could it have been done?

这怎么可能做得到呢？

What's been done in the USA?

在美国做过什么？

I couldn't make out how it had been done.

我原来还不明白这是怎么回事。

It's useless to regret what has been done.

对已经做过的事后悔是没有用的。

"It's been done many a year," answered Dickon.

“它已经断了好多年了。”狄肯回答。

With sufficient will in Downing Street this would have been done already.

如果唐宁街有足够的意愿，这件事早就完成了。

He also paid much more attention to lighting and sound than had been done before.

他也比以前更注重灯光和声音。

We expect it to be high, but the tests to prove this really haven't been done yet.

我们预计它会很高，但证明这一观点的测试还没有完成。

Our waste recycling project involving a lot of investigation and paperwork had been done by the end of last term.

我们的废物回收项目已经在上学期末完成了，其中包含许多调查研究和书面工作。

Thatch which has been done the British way lasts from twenty to sixty years, and is effective defiance against the heat.

按照英国方式建造的茅草屋，可以使用20到60年，能有效地抵御炎热。

In the competitive game of biomedical science, research has been done on scientists who narrowly lost or won grant money.

在生物医学科学的竞争中，一些以微弱劣差距掉或赢得了资助的科学家完成了研究。

Thatch which has been done the British way lasts from twenty to sixty years, and is an effective defiance against the heat.

茅草屋按照英国的方式建造，可以使用20到60年，有效地抵御炎热。

For example, experiments have been done where a person hears a sentence, but it is missing the word that logically completes it.

例如，在先前的实验中，一个人听到一个句子，但句子漏掉了一个逻辑上必需的词。