Which determines the computer multimedia teaching has both positive and negative role, can not fully replace the traditional text, blackboard teaching.

由此决定了计算机多媒体教学也有积极和消极两个方面的作用，不可能完全代替传统的文字、黑板教学。

youdao

Huang Shengen tied a small blackboard to his motorbike, together with all his teaching things and an alarm clock around his neck, and then started his ride.

黄申根把一块小黑板连同他所有的教学用品绑在他的摩托车上，把一个闹钟挂在他的脖子上，然后开始了他的骑行。

youdao

On the east side the former white teaching building is topless, each room still with a mottled blackboard in it, hanging on the wall like pieces of contemporary art.

东面白色的教学楼，没了屋顶，斑驳的黑板却还挂在那，看着像一幅现代画。

youdao

You're going to find out, you know, one of these years when you start teaching that when you get really close to a blackboard, you just cannot think.

过几年以后,你们渐渐就会发现,当你开始教课,当你离黑板真的很近的时候,你就没法思考了

耶鲁公开课 - 基础物理课程节选