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backflips

美英

复数：backflips

backflips

...美丽而优雅，动作变化多样，中国舞富有技巧性，融合了毯子功和后翻动作（backflips）等。”

We prefer to study rats running around mazes or to look at how a monkey will do backflips when conditioned by the reward of bananas .

Students doing backflips on the beach

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