英语听力精选进阶版 13249（在线收听） |
Roman diet secrets revealed Vocabulary unconventional unusual a sewer a channel that carries away human waste the settlements the areas where people lived in groups unearthed discovered by digging excrement solid human bodily waste matching establishing a relationship between two things a high white blood cell count an increased concentration of cells produced by the immune system that suggests the presence of an infection in the blood a bacterial infection an invasion and multiplication of very small organisms that harm live tissue human remains organic material left by the human body long after the person died muck solid animal waste, dirt |
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