那次事故给他留下了终身的疤痕。

The accident ___scarred him for life.

严重的烧伤会永久性地损伤皮肤。

Severe burns can ___scar the skin permanently.

那段创伤经历给她的童年记忆留下了疤痕。

The traumatic experience ___scarred her childhood memories.