Group (N O) - Spelling Practices

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(1) v. Syn. nullify; deny(拒绝,否定,取消) cancel out; make ineffective or invalid; deny
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(2) n. (氮) colorless nonmetallic element, tasteless and odorless, comprising four fifths of the atmosphere by volume
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(3) n. Syn. gradation; shade(细微差别) subtle or slight degree of difference; small difference in meaning
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(4) a. Syn. insensible; indifferent(麻木的,使失去感觉) without the power of sensation and motion or feeling; insensible; unresponsive; indifferent
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(5) n. (遵守,奉行(法律,习俗)) act or practice of observing or noticing with attention; an act, ceremony, or rite, as of worship or respect
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(6) a. Syn. outmoded; antiquated(过时的,无用的) no longer useful; outmoded; antiquated
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(7) n. (长期的冒险旅行) long, eventful journey; extended adventurous voyage or trip
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(8) ad. (草率的,即席的,未经考虑的) without planning or thinking ahead; right away; immediately
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(9) n. Syn. start; assault(开始,发作,攻击) beginning or early stages; offensive against enemy
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(10) n. (起源,开端,出身) the first existence or beginning of anything; birth; fountain