experiment/ ɪks'pεrɪmənt /

1.noun [c] [科学] 
实验

2.noun
(trial) 试用

3.vi.[科学] 
to experiment (with/on) (用…)做实验

4.vi.[fig] 
试验

to perform {or} conduct {or} carry out an experiment
做实验
as an experiment
作为实验
an experiment in sth
在某事上的试点