concentrate的精選學識

concentrateconcentrate作動詞,意為“集中,聚集”,常用於短語concentrateonsth./doingsth.,意為“全神貫注於……,專心於……”。如:Hedecidedtoconcentrateonphysicsbecausehejustfailedtheexam.他決定專攻物理因為...