慢速英语:寻找下一个死海古卷

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cliff - n. a high, steep surface of rock, earth, or ice

sift - v. to separate or remove (something) by using a sifter or sieve

incentive - n. something that encourages a person to do something or to work harder

etch - v. to produce a pattern or design by using a powerful liquid to cut the surface of metal or glass

antiquities - n. objects from ancient times

registry - n. a place where official records are kept

assumption - n. something that is believed to be true or probably true but that is not known to be true

temple - n. a building for worship