100个句子记完7000个英语单词——俞敏洪(最新完整(7)

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live long enough to see it return in the twenty-first century. 一世纪的回归呢？ urprise are universally reflected in facial expressions. eneral antiseptic has been largely discontinued. in the long run, produce something consumers consider useful or desirable. eed there is for water, transportation, and disposal of refuse. to employ flowery but vague expressions that only obscure one’s meaning. e accurate sundials with which to regulate them. t of methods and techniques to document observations that can be checked by others. 结果，而这样记录下来的观测结果是供他人核查的。nts to the soil, enhances soil fertility, and decomposes animal debris. ，并分解动物粪便。ining its pitch over a long period of time. United States, they are found as far north as Ohio and Illinois. 看见它们。alled scape-goating.