短語詞組短語make a study of situations 研究情形make a penetrating study of 鉆研Make A Study Of Subjects 治學(xué)make a study of sth 研究什么;研究make a study of history 研究歷史make a special study of 專修make a close study of 仔細研究make a careful study of 仔細研究 返回 make a study of