他和史密斯打了一架，把后者的鼻子打出了血。He had had a fight with Smith and bloodied his nose.她嗓子里的血腥味让她直恶心。The taste of blood in her throat made her want to vomit.在寒冷彻骨的海上，基茨开始发烧，不断地咯血。On the chilly seas, Keats became feverish, continually ...
水银是一种已知的有毒物质。Mercury is a known poison.我们看到的温度计里的液体是水银.The liquid we can see in thermometers is mercury.一小滴水银滴进了这个小孔.Into this aperture a droplet of mercury was poured....