pullups

pullups

美 　英

• 网络引体向上；下引体向上；引体上升

例句

My boys climb trees while I do pullups and (admittedly rudimentary) gymnastics from a low branch.

我的孩子们爬上树，而我则用较低的树枝做引体向上（相当业余）和体操。

Because Ports 1, 2, and 3 have fixed internal pullups, they are sometimes called "quasi- bidirectional" ports.

因为端口1、2、3有固定的内部上拉，所以有时候他们被称为“准双向”口。