Group (4) - Spelling Practices

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(1) n. (石英) a hard glossy mineral consisting of silicon dioxide in crystal form
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(2) n. (筏,救生艇) a flat float made of logs or planks; a large number or amount or extent 
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(3) n. (恢復,翻新) act of restoring something or someone to a satisfactory state 
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(4) a. Syn. foolish(荒唐的,可笑的) completely lacking of wisdom or good sense
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(5) v. Syn. bake; toast(烤,烘) cook with dry heat, usually in an oven; subject to laughter or ridicule
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(6) ad. Syn. commonly; regularly; ordinarily(例行公事地) commonly; regularly; ordinarily
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(7) n. Syn. sheath(劍鞘) case for sword blade; sheath
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(8) a. (專業的,專門的) developed or designed for a special activity or function
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(9) n. (光譜) colored band produced when beam of light passes through a prism; a range of values
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(10) n. (領帶夾) a decorative pin that is worn in a necktie