单词	planet wheel
释义	planet wheel noun : a gear wheel that revolves around the wheel with which it meshes in an epicyclic train Word History First Known Use 1799, in the meaning defined above
随便看	match penalty match plane match plate match play match point match race match safe match up to match-splint match-stalk match/meet expectations matcha matchabilities matchable matchas matchboard matchboarding matchboards matchbook matchbooks matchbox matchboxes matchbushes matchcoat matched

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