Instead you've got to use chemistry to make the molecules fold themselves round into the precise way you need to form the knot.

相反，你必须使用化学物质使分子精确地折叠起来，这需要形成结。

youdao

While untying the knot round the hook, it seemed to me that I repeatedly caught the beat of horses' feet galloping at some distance;

在解开钩子上的结扣时，我好像反复听见远处有马蹄奔跑的声音；

youdao

Ovechkin scored in the second round of the shootout, only to see Stepan tally for New York to knot it at 1-1 after three rounds.

WSJ: Backstrom, Ovechkin lead Caps to 3-2 SO win