21. paleolithic 旧石器时代的 + p: a9 U$ U+ k: e3 F! m
" ~$ T3 \( T2 W8 D4 k+ g22. Mesolithic 中石器时代的 # W k" |' D* Y' `4 M- @8 y4 o7 D" }
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23. Neolithic 新石器时代的
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24. excavation 挖掘 发掘 ( C2 s, a# M l6 s
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25. excavate 挖掘 [例] They excavated a huge hole for the foundation of the building.
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26. exhume 掘出 [例] The coroner exhumed the body in order to perform tests regarding the cause of death.
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27. unearth 发掘 发现 [例] A recent excavation unearthed a pottery of Ming dynasty.
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28. scoop 汲取 挖掘 [例] He used his bare hands to scoop up water from the river.
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; z8 C) @, r, |: t6 F29. disclosure 揭露 2 h* A; Z0 `6 P( E1 s- v& p: B
% s2 s) M' J9 I% Y, |30. invaluable 无价的 价值无法衡量的 [例] There paintings are invaluable.
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31. precious 宝贵的 贵重的 |