experiment可数吗

　　The results of the experiment are not statistically significant.

　　从统计学的观点看，实验结果意义不明显。

　　The experiment had the reverse effect to what was intended.

　　实验的结果与原来的意图相反。

　　Many people do not like the idea of experiments on animals.

　　许多人不赞成在动物身上做试验。