慢速英语:科学家们没有发现雪人的证据

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decade – n. a period of 10 years

cartoon – n. a film or television show made by photographing a series of drawings : an animated film or television show

reputation – n. the common opinion that people have about someone or something: the way in which people think of someone or something

fecal – adj. solid waste that is released from the body

specimen – n. a small amount or piece of something that can be tested or examined

DNA – n. a substance that carries genetic information in the cells of plants and animals — often used before another noun