pull-up chinning chin
You were doing chin - ups on the windowsill, right?
你其实是在窗台上做引体向上呢, 对不对?
—— 给力词典精选He does pull - ups exercises to strengthen his muscles.
他天天做引体向上,就是为了练臂力。
—— 给力词典精选By his mid - 20 s he had mastered doing pull - ups with one arm, or with 140 lb of weights.
当可以熟练地单手引体向上, 或是负重140磅引体向上时,他25岁上下。
—— 给力词典精选