This is a very useful Chinese English dictionary which provides Chinese Traditional, Chinese Simplified, Pinyin, and English explanations.
| No. | Chinese Simplified | Chinese Traditional | Pinyin | explanation |
| 1 | 往复 | 往復 | wang3 fu4 | to go and come back/to make a return trip/backwards and forwards (e.g. of piston or pump action)/to reciprocate (of machine part) |
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