Two of the schemes are TAP and TUN.

计划之二就是TAP和TUN。

youdao

How can I detect when a tap is done with two fingers?

我怎样才能检测到一个水龙头是做了两个手指？

youdao

Two little feet go tap, tap, tap.

两只小脚踏、踏、踏。

youdao

Two little feet go tap, tap, tap.

两只小脚跺跺，跺跺，跺跺。

youdao

Two little feet go tap, tap, tap.

两只小脚跺跺，跺跺，跺跺。

youdao