详细解释:n. 血迹
词型变化：
动词过去式:bloodstained过去分词:bloodstained现在分词:bloodstaining第三人称单数:bloodstains英语解释：
名词 bloodstain:
a discoloration caused by blood详细解释：
blood.stain
n.（名词）A stain caused by blood.血斑，血迹：由血液所致的污染v.tr.（及物动词）blood.stained,blood.stain.ing,blood.stains To stain with blood.染血