Level 5 - 1 - Spelling Practices

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(1) a. [尖锐,尖酸] unpleasantly sharp or bitter to taste or smell; bitterly pungent

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(2) a. [吓坏了的] struck by shock, terror, or amazement

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(3) n. [反抗,敌对] active resistance; condition of being an opposing principle, force, or factor

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(4) n. [阁楼,顶楼] story or room directly below the roof of a building, especially a house;

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(5) v. [断言,声明,证明] declare to be true; affirm

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(6) n. [恩人,赞助人] gift giver; a person who gives people or institutions financial help

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(7) n. [突破,冲破防线,突破性的发现] act of overcoming or penetrating an obstacle or restriction

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(8) n. [(峭壁的)边沿,边缘] edge, margin, or border of a steep place verge

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(9) v. [介绍,提出,引见] introduce; bring up for discussion or debate; announce

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(10) v. [闷想] think long and anxiously; be in a state of gloomy, serious thought