chalkboard
英
['tʃɔːkbɔːd]
美
['tʃɔːkbɔːrd]
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Noun:
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sheet of slate; for writing with chalk
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用作名词 (n.)
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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。
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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。
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