| percobaan sumber dan cermin bergerak | moving source and mirror experimen |
| percobaan sumber dan cermin bergerak | |||
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| percobaan | trial, afflication, ordeal, experiment, specimen, attempt, probation |
| sumber | well, source, resources |
| dan | and |
| cermin | mirror, shining |
| bergerak | move, be in motion, be active |