尽管球队表现不佳，他仍然是一名坚定的支持者。

Despite the team's poor performance, he remains a ___staunch supporter.

这座古老的石桥历经百年风雨依然坚固如初。

The ancient stone bridge remains ___staunch after a century of rain and wind.

他用毛巾紧紧压住伤口以止血。

He used a towel to ___staunch the bleeding from the cut.