名词 experiment:

1. the act of conducting a controlled test or investigation

2. the testing of an idea

3. a venture at something new or different

动词 experiment:

1. to conduct a test or investigation

2. try something new, as in order to gain experience

exprep.【商】在 ... 交货，在…前免费；从，自，根据；【经】不，无，不包括n.已离婚的丈夫（或妻子），过去的情人；字母X；X形物adj.以前的，旧时的ex lex[法] 法律之外的