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	opportunism opportunist opportunistic opportunistically opportunity opportunity cost opposable thumb oppose opposed opposing opposite opposition oppress oppressed oppression oppressive oppressively oppressiveness oppressor opprobrious opprobriously opprobrium opt optic optical

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