单词	twin problem
释义	twin problem un. 双重问题
随便看	key sequenced file key sequence number key sequence parameter keyser Keyserling Keyserling, Hermann Alexander Keyser Nunatak keysers Keyser's pill key server keyserver keyservers key service unit keyses keyset key-set key set keysets key-set tabulator key setting keysha key-shaped key-shapeds keyshawn key-shelf 一鸟人林，百鸟压音一鸟入林，百鸟压音一鸟如霜雪，飞向白楼前。问君何以至？天子太平年。一鸟进山，百鸟无声一鸟进林，百鸟哑音一鸠鸣午寂，双燕话春愁一鸡死了一鸡鸣一鸡死后一鸡鸣一鸡死，一鸡鸣一鸣惊人，一飞冲天古塔胶古墓古奥古尔族古尔邦节古尸古已有之古巴古币古庙