over-the-counter
adjective /ˌəʊvə ðə ˈkaʊntə(r)/
/ˌəʊvər ðə ˈkaʊntər/
(abbreviation OTC)
[only before noun]- (of drugs and medicines
) that can be obtained without a prescription (= a written order from a doctor)药品 无需处方可买到的;非处方的 - (business
, North American English) (of stocks and shares商业 ) not appearing in an official stock exchange list股票及证券 场外交易的