Group (O P) - Spelling Practices

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(1) a. Syn. optimum; ideal(最佳的,最理想的) most advantageous; optimum; ideal
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(2) a. Syn. elliptic(椭圆形) elliptic; rounded like an egg
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(3) n. (装,将…挤入,塞满) pact or bundle made up and prepared to be carried; a number of similar things; a full set of playing cards
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(4) n. (壮观的游行,露天历史剧) elaborate exhibition devised for the entertainment; show, spectacle, or display
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(5) n. (降落伞) rescue equipment consisting of a device that fills with air and retards your fall
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(6) a. (打击) striking one object against another sharply
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(7) n. Syn. danger; risk; hazard; jeopardy(危险) danger; risk; hazard; jeopardy; exposure of person or property to injury, loss, or destruction
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(8) n. Syn. plateau; prairie(平原,草原) without elevations or depressions; flat; smooth; not rich; simple; without beauty; not handsome
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(9) n. (剧作家) someone who writes plays
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(10) a. Syn. chubby; fat(重物突然坠落) sound of a sudden heavy fall; well-rounded and full in form