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?

电影对白

He does pull - ups exercises to strengthen his muscles.

他天天做引体向上,就是为了练臂力.

互联网

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.

互联网