Pronunciation: a-chim-eh o-ren-ji ju-seu-reul han jan ma-syeos-seo-yo
Grammar: 주스 is a noun meaning 'juice.' 오렌지 주스 forms a noun phrase 'orange juice.' 를 marks it as the object of 마셨어요 ('drank'). 한 잔 uses the counter 잔 for cups/glasses, meaning 'one glass.'
