Level 2 - 3 - Spelling Practices

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(1) n. [宝石商,宝石匠] one who makes or deals in jewels and ornaments of precious metal

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(2) n. [商品] objects for sale; goods

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(3) n. [(动物)仿声鸟] long-tailed gray-and-white songbird of the southern United States able to mimic songs of other birds

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(4) n. [入口] opening through which an animal receives food; aperture between jaws or between lips

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(5) a. [非人类的] not human; not belonging to or produced by or appropriate to human beings

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(6) ad. [在户外,在野外] out of houses; out of doors

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

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(8) n. [期刊,杂志] a publication that appears at fixed intervals

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(9) n. [汗水,出汗] process of the sweat glands of skin secreting a salty fluid

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(10) v. [污染,玷污] make impure; make unfit for or harmful to living things, especially by the addition of waste matter