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bloodstain on [sth]
There was a bloodstain on the carpet.
地毯上有一块血迹。
血迹；血渍
bloodstains — plural of bloodstain
先理解核心含义，再看它在真实句子里的用法。
血迹；血渍
A mark or area discolored by blood.
There was a bloodstain on the carpet.
地毯上有一块血迹。
血迹；血渍。
A spot or area that has been discolored by having absorbed blood.
由血液造成的变色
a discoloration caused by blood
The detective noticed a small bloodstain on the carpet near the door.
侦探注意到门附近的地毯上有一小块血迹。
She tried to remove the bloodstain from her shirt with cold water.
她试图用冷水洗掉衬衫上的血迹。
Bloodstains on the wall indicated that a serious accident had occurred.
墙上的血迹表明发生了一起严重的事故。
There was a bloodstain on the carpet.
地毯上有一块血迹。
The bloodstain from the wound was visible.
伤口留下的血迹清晰可见。
The knife left a bloodstain on the floor.
刀在地板上留下了一块血迹。
She tried to remove the bloodstains with cold water.
她试图用冷水去除血迹。
Not this
There is a blood stain on his shirt.
Use this
There is a bloodstain on his shirt.
中文学习者常将复合词'bloodstain'误写为两个单词'blood stain'。应使用一个单词'bloodstain'来表示'血迹'。
Not this
I noticed several bloodstain on the floor.
Use this
I noticed several bloodstains on the floor.
复数形式使用错误：当表示多个血迹时，应使用复数形式'bloodstains'，而不是单数'bloodstain'。
Not this
The murderer bloodstained the wall.
Use this
The murderer left a bloodstain on the wall.
'bloodstain'是名词，不是动词。应使用'leave a bloodstain'或'stain with blood'来表达动作。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
血迹分析
The detective requested a bloodstain analysis of the shirt.
侦探要求对衬衫进行血迹分析。
血迹形态
Bloodstain patterns can reveal how a crime occurred.
血迹形态可以揭示犯罪是如何发生的。
去除血迹
She tried to remove the bloodstain with cold water.
她试着用冷水去除血迹。
地毯上的血迹
There was a bloodstain on the carpet near the door.
门附近的地毯上有一处血迹。
血迹证据
The bloodstain evidence linked the suspect to the crime scene.
血迹证据将嫌疑人与犯罪现场联系起来。
地板上的血迹，门上的血迹，我不知道我为什么活着。
This line is from the 1979 punk-rock song "Bloodstains" by Agent Orange, a classic of the genre.
这句歌词出自 1979 年 Agent Orange 的朋克摇滚经典歌曲《Bloodstains》。
发短 /ʌ/ 音 (如 blood)
Same pattern, same sound
Use bloodstains naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
blood（血）加 stain（污渍），联想“血的污渍”就是血迹。
语域：neutral 常见场景：日常描述、新闻报道、法医场景 该词为中性，通常用于描述血迹，既可在日常对话中使用，也多见于新闻报道或法医相关语境。
可数名词，常与介词on连用表示位置。
Dictionary facts from ECDICT, WIKTIONARY.