chalkboard造句

He died, literally , at the chalkboard at age 83.
他过世了, 83岁的时候, 在黑板前.

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.

The map was drawn on chalkboard with ink - markers.
那张地图用记号笔画在一块黑板上.

• #chalkboard