He tied a string on his finger to jog his memory.

他把一条细绳系在指头上，以唤起记忆。

youdao

He tied a string around his finger 'to jog his memory.

这个男孩在一根拴在树上的绳子上荡秋千。

youdao

He tied a string around his finger 'to jog his memory.

这个男孩在一根拴在树上的绳子上荡秋千。

youdao