pull up bar
pull up bar
彰化縣二水鄉源泉國小
The students hang from the pull-up bar and must stay up for a certain amount of time.
學生們吊在單桿上,並且必須保持一定的時間。
The purpose of hanging from the pull-up bar is to train the students' arm strength.
吊單槓的目的是訓練學生的臂力。
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