experimentation
noun [ U ] uk/ɪkˌsper.ɪ.menˈteɪ.ʃən/ us/ɪkˌsper.ə.menˈteɪ.ʃən/
实验；试验
the process of trying methods, activities, etc. to discover what effect they have
Children need the opportunity for experimentation. 孩子们需要机会去尝试。
Extensive experimentation is needed before new drugs can be sold. 药物在销售之前需进行广泛试验。
Experimentation with illegal drugs is dangerous. 用禁药做实验是危险的。