求翻译：传统的教学方式是“先教后学”，主要依靠老师在课堂上大量的教，甚至是满堂的灌，来使学生获取知识，但学生始终处于被动的状态，学习的积极性没有得到调动，学生的主体地位没有得到体现。是什么意思？

Traditional teaching methods are "first teach after school", mainly relying on the teacher in the classroom a lot of teaching, and even packed with filling, to enable students to acquire knowledge, but students always in a passive state, enthusiasm for learning not to be mobilized, students the domi