词汇	twin packer
释义	twin packer 双层堵塞器
随便看	appear at appear at court appear at lecture appear at the door appearaunce Appearing as if affected by such a disorder appearing circs appearing extremely agitated appearing frequency of fish school appearing in a Biblical canon Appearing in Court appear before appear before a committee appear before a court appear before arbitration appear before footlights appear before the bar appear before the court appear before the footlights appear before the public appear bodily appear/come in sight appear conspicuously appeard appear'd