单词	activity cage
释义	activity cage noun : a cage for a small animal with a treadwheel or other device by which it can exercise Word History First Known Use 1924, in the meaning defined above
随便看	polybotryae polybotryas polybrid polybrids polybrominated biphenyl polybutadiene polybutadienes polybutene polybutenes polybutylene polybutylenes Polycaon polycarbonate polycarbonates polycarboxylic Polycarp polycarpellary polycarpellate polycarpic polycarpies Polycarpon polycarpous polycarpy polycaryon polycaryotic

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