4000 Duolingo (P Q) - Spelling Practices

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(1) n. 古生物学者 one who studies the forms of life existing in prehistoric or geologic times

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(2) a. 苍白的,惨淡的 abnormally pale; lacking intensity of color or luminousness

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(3) a. 平行的,类似的,相似的 being an equal distance apart everywhere; having the same tendency or direction

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(4) a. 外围的 located in outer boundary; unimportant; auxiliary

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(5) a. 坚持不懈的 lasting for a long time or difficult to get rid of

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(6) n. 污染,玷污 contamination; undesirable state of the natural environment being contaminated

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(7) n. 陶工,制陶工人 a craftsman who shapes pottery; work lightly

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(8) n. 陶器,陶器场 the craft of making earthenware; ceramic ware made from clay

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(9) n. 特权 privilege; unquestionable right; exclusive power to command

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(10) a. 主要的 first in excellence, quality, or value; at the best stage; peak; first in degree or rank; chief