书籍 Total English - 中级 - 第 7 单元 - 第 1 课

by relying only on one's memory

to acquire a new skill or language through practice and application rather than formal instruction

掌握, 学习

to commit oneself fully to a particular task, project, or pursuit with enthusiasm, determination, and a willingness to take risks

an intensive and brief period of study or training in a particular subject or skill

速成课程, 密集培训

the rate or speed at which a person acquires new knowledge or skills in a particular area over time

学习曲线, 学习速度