这艘游艇的巡航速度是20节。

The yacht's cruising speed is 20 ___knots.

他熟练地在绳子上打了个结。

He skillfully tied a ___knot in the rope.

这块松木板上的结疤让它看起来更有自然韵味。

The ___knots in this pine board give it a more natural look.

这艘游艇的巡航速度是12节。

The yacht's cruising speed is 12 ___knots.

这个项目的合同问题成了一团乱麻，很难解决。

The contract issues of this project became tangled ___knots, making it hard to resolve.