experimental
adjective uk/ɪkˌsper.ɪˈmen.təl/ us/ɪkˌsper.əˈmen.t̬əl/
C2 (尤指科学方面)实验(性)的,试验(性)的,根据实验(试验)的
relating to tests, especially scientific ones
The drug is still at the experimental stage (= is still being tested). 这种药物仍处于试验阶段。
The changes to the distribution system are purely experimental at the moment. 目前分配体系的变革纯粹是试验性的。
experimental psychology 实验心理学