Definition: to study a subject in detail or to try to find information about a subject Level: B2
他花了几年时间研究一种罕见的非洲方言。
He spent several years ___researching a rare African dialect.
她正在研究可能的疟疾治疗方法。
She's ___researching possible cures for malaria.
他上网研究航班和酒店。
He went online to ___research flights and hotels.
