bloodstain

bloodstain的音标为[ˈblʌdsteɪn] ，基本翻译为“血迹”，速记技巧为：血迹斑斑，stain意为“玷污，染色”。

Bloodstain这个词的词源可以追溯到古英语，意为“血迹”。它的变化形式包括bloodstain的复数形式bloodstains，以及过去式和过去分词形式bloodstained。这个词在英语中通常用来描述血迹斑斑的物体或场景。

相关单词方面，bloodstain可以与许多与血、血液相关或与污渍、痕迹相关的单词有关。例如，bleed可以表示流血，而hemorrhage则表示大出血。另外，stain可以表示污渍，而discoloration则表示变色。此外，crimson和red都可以表示红色，而corpse则表示尸体，与bloodstain有间接的联系。

总的来说，bloodstain这个词在英语中是一个常见的词汇，它代表着血迹，这个词的词源可以追溯到古英语，它的变化形式和相关单词都与血、血液和污渍等概念有关。

常用短语：

1. bloodstain (n.) 血迹

2. bloodstain pattern (n.) 血迹图案

3. bloodstain detection (n.) 血迹检测

4. bloodstain evidence (n.) 血迹证据

5. bloodstain analysis (n.) 血迹分析

6. bloodstain mapping (n.) 血迹地图

7. bloodstain evidence collection (n.) 血迹证据收集

双语句子：

1. The carpet is covered with bloodstains.

地毯上到处都是血迹。

2. Police are investigating the bloodstain pattern on the ground.

警察正在调查地上的血迹图案。

3. The forensic team is conducting bloodstain detection on the scene.

法医小组正在现场进行血迹检测。

4. The evidence from the bloodstain analysis is crucial in the case.

血迹分析得出的证据对这起案件至关重要。

5. The bloodstain mapping will help us understand the sequence of events.

血迹地图将有助于我们了解事件的经过。

6. The police are collecting bloodstain evidence from the crime scene.

警方正在从犯罪现场收集血迹证据。

7. The victim"s shirt was stained with blood, indicating that he had been injured.

受害者的衬衫上沾有血迹，表明他受伤了。

英文小作文：

Bloodstains are a powerful tool in crime investigation, providing vital clues about the events that took place at a scene. From carpet stains to floor patterns, bloodstains can tell a story about a person"s life, their injuries, and even the sequence of events that led to their demise. Through careful analysis and investigation, forensic experts can piece together a narrative that sheds light on the true nature of a crime.

For me, bloodstains are not just a visual reminder of tragedy, but also a reminder of the importance of forensic science in our justice system. They serve as a constant reminder that we must always be vigilant and diligent in our efforts to protect our communities and uphold the rule of law. Through the lens of a forensic expert, bloodstains become a window into the world of crime and punishment, allowing us to see beyond the surface and delve into the depths of human behavior and criminality.