Level 4 - 4 - Spelling Practices

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(1) n. [多边形] a closed plane figure bounded by straight sides

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(2) v. [刺穿,戳破] a small hole made by a sharp object; pierce with a pointed object; make a hole into

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(3) n. [分配,配额,定量,配给量] allotment; allowance; portion; allot; distribute in rations

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(4) n. [制冷剂] cooling agent; causing cooling or freezing

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(5) n. [说话的学问,花言巧语] art or study of using language effectively and persuasively; insincere language

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(6) v. [锈,生锈] become destroyed by water, air, or an etching chemical such as an acid

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

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(8) v. [减少,破坏] diminish; undermine the foundations; dig

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(9) n. [立场,观点] a mental position from which things are viewed

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(10) v. [(人)幸免于难,活下来,(物)耐久] continue to live; endure or last