(studies, studying, studied, studied) [] to spend time learning about a subject学习◆I've been studying English for fifteen years/since I was twelve.十五年来／自我十二岁起，我一直在学习英语。◆I studied economics at Barcelona University.我在巴塞罗那大学学习经济学。◆studying for a business qualification为取得从业资格而学习 [] to examine sth carefully in order to understand it or find out sth研究；调查◆We will study the proposals carefully before making a decision.在作出决策之前，我们将仔细研究这些建议。◆The group are studying how men and women use different negotiation techniques.这个小组正在研究男女是如何使用不同谈判技巧的。