Level 4 - 4 - Spelling Practices

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(1) n. [ô nhiễm] contamination; undesirable state of the natural environment being contaminated

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(2) n. [đa giác] a closed plane figure bounded by straight sides

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(3) a. [rạng rỡ] brilliant; obviously very happy, or very beautiful

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(4) a. [trách nhiệm] accountable; having good judgment and the ability to act correctly and make decisions on your own

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(5) v. [quay] cook with dry heat, usually in an oven; subject to laughter or ridicule

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(6) n. [xử phạt] approval, by an authority, generally one that makes something valid; penalty intended to ensure compliance

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(7) n. [sapphire] a precious transparent stone of rich blue corundum valued as a gemstone

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(8) a. [thỏa đáng] acceptable; good or good enough for a particular need or purpose

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(9) v. [quy mô] climb up or over; alter according to a standard; estimate or measure; remove in layers

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(10) n. [đáy biển] bottom of a sea or ocean