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專有名詞 speed:
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distance travelled per unit time
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a rate (usually rapid) at which something happens
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changing location rapidly
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the ratio of the focal length to the diameter of a (camera) lens system
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a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
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超過主要內容獨代音樂創作,受巨著權保護,侵權行為必究
海詞字典,十二年企業