cauterize|cauterized|cauterizing

医生用烙铁烧灼伤口以止血。

The doctor used a hot iron to ___cauterize the wound and stop the bleeding.

那次失败的恋情彻底灼伤了他再次去爱的勇气。

That failed relationship completely ___cauterized his courage to love again.

医生用烙铁灼烧伤口以防止感染。

The doctor is ___cauterizing the wound with a hot iron to prevent infection.