hakseuphal sahangi jugijeogeuro jesidoeneun hoejeonsik jangchi
memory drum
tambour de mémoire ; dispositif de mémoire
학습할 사항이 주기적으로 제시되는 회전식 장치는 교육에 유용하다.
hakseuphal sahang-i jugigeuro jejsidoeneun hoejeonsik jangchineun gyoyuge yuyonghada.
The memory drum that presents learning materials periodically is useful for education.
More words starting with 학
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