A large board with a dark (usually black) surface for writing or drawing on with chalk, used esp. as a teaching aid in classrooms; a similar board…
单词 | θ194824 |
释义 | society > communication > writing > writing materials > material to write on > board > [noun] (3) blackboard1739 A large board with a dark (usually black) surface for writing or drawing on with chalk, used esp. as a teaching aid in classrooms; a similar board… chalkboard1816 = blackboard, n. whiteboard1883 A large board with a white surface for writing or drawing on, used esp. as a teaching aid in classrooms. Cf. blackboard, n. |
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