Instructons:Sit on the seat plank,hold and push the handles hold a moment and then return slowly to original position,repeat the cycle.是什么意思_Instructons:Sit on the seat plank,hold and push the handles hold a moment and then return slowly to original position,repeat the cycle.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句