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1·It's extremely cruel to perform an experiment on live animals.

对动物活体进行实验是一件极其残忍的事情。

2·When the researchers repeated the laboratory experiment on the second and third nights they found the left hemisphere could not be stimulated in the same way during deep sleep.

当研究人员在第二和第三晚重复实验室里的实验时，他们发现在深度睡眠时左脑不能以同样的方式受到刺激。

3·In his opinion, if the statement that humans cause global warming is correct, we should act—because we don't have another planet to experiment on.

按他的看法，如果报告中人类导致全球变暖的说法是正确的，我们就应该采取行动——因为我们再没有另一个星球进行试验。

4·RPC for pilotscale experiment was used to do the pilotscale experiment on acetic acid complex extraction process.

采用中试振动筛板萃取塔对醋酸稀溶液的络合萃取过程进行了中试实验研究。

5·On the Basis of an experiment on the dyeing technology of solubilized vat dyes on chinlon, the light-degradation of the fibre is emphatically discussed.

在对增溶的还原染料在棉绒上进行染色实验的基础上，着重讨论了纤维的光降解性。

6·Don't experiment on animals.

不要在动物身上试验。

7·Some scientists experiment on animals.

有些科学家用动物做试验。

8·The doctor made an experiment on himself.

那医生在自己身上做试验。

9·Or may they create embryos specifically to experiment on?

第二句个人倾向于翻译为：他们可以创造出试验所专用的的胚胎吗？

10·This is a social experiment on an unprecedented scale.

这一社会实践的范围是史无前例的。