experiment
单词辨析：
指确定某事物是否有效或安全的试验过程。
The new method is still on trial now.
新办法目前还在试行中。
Which drug is undergoing clinical trials?
哪种药正在接受临床试验？
指用科学方法进行的实验，以验证某物在一定条件下的反应情况，或某一理论、结果等是否成立、属实。
The students are doing a chemical experiment.
学生们正在做化学实验。
The results of the experiment varied wildly.
实验结果差异很大。
Many people are against the idea of experiments on animals.
很多人反对在动物身上做试验。
普通用词，指对机器、产品等进行测试，以验证其性质、效能等。
A simple test will show if this is real gold.
一个简单的试验就能证明这是否是真金。
I hope that our new product will pass the test.
我希望我们的新产品能够通过测试。
Tests showed that the new battery lasted longer.
测试显示这种新电池续航时间更长。
相关例句：
Only in this way can the experiment succeed.
惟有这样做，试验才能成功。
He believes that students should be encouraged to experiment with bold ideas.
他认为应该鼓励学生们将大胆的观念付诸试验。
He expected that the experiment would be a success.
他料想那试验一定会成功。
The astronauts are conducting a series of experiments to learn more about how the body adapts to weightlessness
那些宇航员正在进行一系列实验，以更多地了解身体如何适应失重状态。
We must carry the experiment through to the end, not give up halfway.
这项试验一定要搞到底，不能半途而废。
Do be careful with the experiment you're doing.
在实验中切不可粗心大意。