blackboard
US /ˈblæk.bɔːrd/
UK /ˈblæk.bɔːrd/

1.
papan tulis, papan hitam
a large board with a smooth, dark surface, typically green or black, used for writing on with chalk, especially in schools
:
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The teacher wrote the math problem on the blackboard.
Guru menulis soal matematika di papan tulis.
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We used to draw pictures on the blackboard during recess.
Kami dulu menggambar di papan tulis saat istirahat.