Level 4 - 3 - Spelling Practices

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(1) n. [氣墊船] a craft capable of moving over water or land on a cushion of air created by jet engines

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(2) n. [監禁] confinement; putting someone in prison or in jail as lawful punishment

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(3) v. [契約] contract binding one party into the service of another for a specified term

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(4) n. [無脊椎的,無脊椎動物,] animal, such as an insect that lacks backbone or spinal column

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(5) n. [離子] a particle that is electrically charged positive or negative

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(6) n. [核心的] central or vital part; most material and central part; grain or seed as of corn

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(7) v. [落後] delay; drag; the act of slowing down or falling behind

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(8) n. [肢,翼,樹枝] arm; leg; any of the main branches arising from the trunk or a bough of a tree

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(9) n. [磁鐵,有磁性的金屬] any metal, like iron, steel, nickel, cobalt, etc., which may receive the properties of the lodestone

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(10) n. [營養品] a source of materials to nourish the body