chalkboard

n.

黑板；

复数：chalkboards

1. The map was drawn on a chalkboard with ink-markers.
   那张地图用记号笔画在一块黑板上。
2. Then one morning we were working math problems at the chalkboard.
   后来有一天早晨，我和玛丽在黑板上写下了数字题目。

Chalkboard
Chalkboard
Chalkboard
An electronic chalkboard for classroom and distance teaching
Teaching with an intelligent electronic chalkboard
The Chalkboard versus the Avatar: Comparing the Effectiveness of Online and In-class Courses.
Beyond the chalkboard: Computer-support for collaboration and problem solving in meeting
Beyond the chalkboard: computer support for collaboration and problem solving in meetings
E‐Chalk: a lecture recording system using the chalkboard metaphor
From chalkboard, slides, and paper to e‐learning: How computing technologies have transformed anatomical sciences education
Comparison of the impact of powerpoint and chalkboard in undergraduate medical teaching: an evidence based study
Is the Planetarium a More Effective Teaching Device than the Combination of the Classroom Chalkboard and Celestial Globe?
A Comparison of the Effectiveness of the Planetarium and the Classroom Chalkboard and Celestial Globe in the Teaching of Specific As...