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xiǎnshìdìtú
mùlù
fǎwénjièshì
  1. n.  problème in signifiant ou insoluble
jìnyící
niú jiǎo jiān cūn
xiàngguāncí
zhí guà
bāo hán cí
zuānniújiǎo jiānniú jiǎo jiān cūnzuānniújiǎo jiān degāo niú jiǎo jiān
gāo niú jiǎo jiānběi cài zhèn niú jiǎo jiān fàn diànniú jiǎo jiān , niú jiǎo jiān 'ér