词汇	一天两次
释义	一天两次 twice a day
随便看	Helical groove in bearing bore helical-groove profile milling cutter helical groovespiral flute, twisted flute helical guidance locus helical guide helical guideway helical hairpin helical hair spring helical, head movement helical heat-collection helical heater helical heat exchanger pipe helical hinge helical inlet Helical inlet port helical instability helical intake duct helical intake port helical intake-port helical intensity helical interleaver helical-knife cutterhead helical-knife cutter head helical lamp helical land