单词	helicoid
释义	helicoid adjective he·​li·​coid ˈhe-lə-ˌkȯid  ˈhē- variants or helicoidal ˌhe-lə-ˈkȯi-dᵊl  ˌhē- 1 : forming or arranged in a spiral 2 : having the form of a flat coil or flattened spiral helicoid snail shell Word History First Known Use circa 1704, in the meaning defined at sense 1 Medical Definition helicoid adjective he·​li·​coid ˈhel-ə-ˌkȯid  ˈhē-lə-  variants or helicoidal ˌhel-ə-ˈkȯid-ᵊl  ˌhē-lə-  1 : forming or arranged in a spiral 2 : having the form of a flat coil or flattened spiral
随便看	knitworks knive knived knives knives and forks knivesful kniving knob knob and tube wiring knob celery knob grass knob lock knobbed knobbed crab knobbed goose knobbed wrack knobbedder knobbeddest knobbeder knobbedest knobber motacillidaes mote mote-con moted

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