单词	ball closure
释义	ball closure 输球形封口；球塞
随便看	common entrance examination common envelop common envelope common-envelope evolution common envelope star common environmental effect common environmental variance common environment coupling common-environment coupling common environment tort common environment variables Common eolonoseopy Common Epicoma Moth common epipremnum herb common epitope common equipment common equipment control Common Equipment Facility common equipment frame Common Equipment Group common equipment of crop drying Common Equipment of Petrochemical Industry common European ash common european ashes Common European Cockle