bruise mark

例句：

1. 1. He had a bruise mark on his arm where he had been in a fight.
   他手臂上有一块瘀伤痕迹，那是他在打架时留下的。
2. 2.The police found a bruise mark on the victim's body that matched the description of the attacker.
   警方在受害者身上发现了与袭击者描述相符的瘀伤痕迹。
3. 3. The doctor examined the wound and determined it was not a bruise mark but rather an old scar.
   医生检查了伤口，确定这不是瘀伤痕迹，而是旧伤疤。