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Terms for subject Dentistry containing back and forth | all forms | exact matches only | in specified order only
| English | Chinese |
| Move the toothbrush back and forth with short, vibrating strokes | 用短距离、振动的力量前后移动牙刷 |
|
| English | Chinese |
| Move the toothbrush back and forth with short, vibrating strokes | 用短距离、振动的力量前后移动牙刷 |