The chemical Luminol is used at crimescenes because it fluoresces in the presence of blood.
化学物质鲁米诺应用在犯罪现场中,因为它在血液中发荧光。
2
And when it comes to the gulf between reality and fiction, Dr Knight knows what he is talking about: besides 43 years' experience of attending crimescenes, he has also written dozens of crime novels.
奈特博士很了解现实和小说的差别这一话题,他不仅拥有43年的犯罪现场实战经验,也撰写了大量犯罪小说。
3
He was invited to thecrimescenes; people called him to come and clean the visual remains of a loved one they had lost.