The tó liān io

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Thiàu khì: Se̍h chām, chhiau-chhoē
米國海軍訓練

The tó liān io(漢字:䖙倒練腰) (英語:Sit-ups, 華語:仰臥起坐)

Siang-koan [siu-kái]

豹腰健身