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单词	helix
释义	helixhelix /ˈhilɪks/ noun (plural helices /-lɪsiz/) [countable] Etymology ETYMOLOGYhelix Origin: 1500-1600 Latin Greek math, science a line that curves and rises around a central line SYN spiral → see also double helix
随便看	tautology tavern tawdriness tawdry tawny tax taxable taxable income tax assessor taxation tax avoidance tax base tax bracket tax break tax collector tax cut tax-deductible tax-deferred tax evasion tax-exempt tax exile tax-free tax haven taxi taxicab

英语词典包含48224条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。